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Frantic Alarming Questions 'Meltdown' and 'Spectre' FAQ: What Mac and iOS users need to know about the Intel, AMD, and ARM flaw A series of flaws have been discovered in Intel, AMD, and ARM chipsets that allow speculative references to be probed for privileged data.


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'Meltdown' and 'Spectre' FAQ: What Mac and iOS users need to know about the Intel, AMD, and ARM flaw | iMore
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Both could theoretically be used to read information from a computer's memory, including private information like passwords, photos, messages, and more.
Apple has apparently already started patching Meltdown in macOS.
Here's what you need to know.
January 22, 2018: Apple's Mac not affected by Intel's issues with Spectre microcode patches Intel has identified an issue that affected Broadwell and Haswell processors that had been updated with Intel's microcode patches to mitigate against the Spectre exploit.
Apple didn't rush to apply Intel's microcode patches but, thus far, has provided patches for WebKit and Safari to prevent potential JavaScript-based Spectre exploits instead.
For meltdown game ios interested, or potentially affected through other products, here's what had to say: As we start the week, Meltdown game ios want to provide an update on the reboot issues we reported Jan.
We have now identified the root cause for Broadwell and Haswell platforms, and made good progress in developing a solution to address it.
Over the weekend, we began rolling out an early version of the updated solution to industry partners for testing, and we will make a final release available once that testing has been completed.
For the full list of platforms, see the Intel.
We expect to share more details on timing later this week.
I apologize for any disruption this change in guidance may cause.
The security of our products is critical for Intel, our customers and partners, and for me, personally.
I assure you we are working around the clock to ensure we are addressing these issues.
I will keep you updated as we learn more and thank you for your patience.
January 15, 2018: No, iOS 11.
check this out strange story began gaining traction over the weekend.
It was based on a set of comparative CPU benchmarks for an iPhone before and after the iOS 11.
And the blame for the slowdown was placed squarely on iOS 11.
Which should have set off alarm bells for anyone covering the story because iOS 11.
From : iOS 11.
So, the affects of any Spectre mitigations wouldn't manifest in direct CPU benchmarks at all.
John Poole, the developer of the Geekbench benchmark tool, has the answer: Regarding the "story" of iOS 11.
Spoiler: Looks like bad testing coupled with careless reporting.
It's natural for people to be confused and unfortunately typical for publishers to rush for headlines.
But we owe it to ourselves and our audiences, be they social or traditional, to take a breath, take our time, and get this stuff right.
January 8, 2018: Apple today pushed out iOS 11.
These add the first in what may be a series of updates to help protect the Safari web browser from Spectre-based attacks.
From : Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Description: iOS 11.
Available for: macOS High Sierra 10.
There were also updates for Safari 11.
Following the updates, WebKit, the open-source engine behind Safari, has shared what Meltdown and Meltdown game ios mean for its technology stack.
From : To initiate a Spectre- or Meltdown-based attack, the attacker must be able to run code on the victim's processor.
WebKit is affected because in order to render modern web sites, any web JavaScript engine must allow untrusted JavaScript code to run on the user's processor.
Spectre impacts WebKit directly.
Meltdown impacts WebKit because WebKit's security properties must first be bypassed via Spectre before WebKit can be used to mount a Meltdown attack.
Spectre means that an attacker can control branches, so branches alone are no longer adequate for enforcing security properties.
Not all CPUs are affected by Meltdown and Meltdown is being mitigated by operating system changes.
Mounting a Meltdown attack via JavaScript running in WebKit requires first bypassing branch-based security checks, like in the case of a Spectre attack.
Therefore, Spectre mitigations that fix the branch problem also prevent an attacker from using WebKit as the starting point for Meltdown.
This document explains how Spectre and Meltdown affect existing WebKit security mechanisms and what short-term and long-term fixes WebKit is deploying to provide protection against this new class of attacks.
This reuses the 10.
The version number should be either 13604.
This reuses the 11.
Patched versions are 11604.
Again, these are just the first in what may be a series of WebKit and Safari-based updates to protect against Spectre-based exploits.
Today, Apple updated again to remove Sierra and El Capitan.
So, only macOS High Sierra has been patched against Meltdown to date.
Hopefully, patches for Sierra and El Capitan will be pushed asap.
January 4, 2018: Apple and Intel update on Meltdown and Spectre Apple has posted a knowledge base article detailing both the updates the company has already pushed out to address Meltdown on macOS, iOS, and tvOS watchOS is not affectedand its plans to push further updates to protect Safari from Spectre.
From : Security best free to games ios have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known meltdown game ios impacting customers at this time.
Since exploiting many of these issues meltdown game ios a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
According toMeltdown was patched for macOS High Sierra 10.
Update: Apple has updated the support page to correct the previous version and reflect that only macOS High Sierra has currently been patched.
Hopefully, we'll still see the updates for Sierra and El Capitan soon as well.
In terms of what, if any performance hits the updates may cause, the news is good: Our testing with public benchmarks has shown that the changes in the December 2017 updates resulted in no games like magicka for ios reduction in the performance of macOS and iOS as measured by the GeekBench 4 benchmark, or in common Web browsing benchmarks such as Speedometer, JetStream, and ARES-6.
Our current testing indicates that the upcoming Safari mitigations will have no measurable impact on the Speedometer and ARES-6 tests and an impact of less than 2.
Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
Let's hope Intel is using it out of confidence and not bravado.
Why is this all so confusing?
We're dealing with a couple of exploits across several flaws.
Chipset vendors like Intel, AMD, and ARM, and platform-makers including Apple, Microsoft, and the Linux Foundation, were apparently working under a mutually agreed-upon embargo originally set to drop the week of January 8, 2018.
Updates made to Linux, however, were spotted and eventually picked up by the week of January 1, 2018.
A full week early.
A fundamental design flaw in Intel's processor chips has forced a significant redesign of the Linux and Windows kernels to defang the chip-level security bug.
Programmers are scrambling to overhaul the open-source Linux kernel's virtual memory system.
Meanwhile, Microsoft is expected to publicly introduce the necessary changes to its Windows operating system in an upcoming Patch Tuesday: these changes were seeded to beta testers running fast-ring Windows Insider builds in November and December.
Crucially, these updates to both Linux and Windows will incur a performance hit on Meltdown game ios products.
The effects are still being benchmarked, however we're looking at a ballpark figure of five to 30 per cent slow down, depending on the task and the processor model.
More recent Intel chips have features — such as PCID — to reduce the performance hit.
Your mileage may vary.
Because it contained only partial information it led to a lot of uncertainty and speculation.
So, what are Meltdown and Spectre exactly?
From : Last year, Google's Project Zero team discovered serious security flaws caused by "speculative execution," a technique used by most modern processors CPUs to optimize performance.
The Project Zero researcher, Jann Horn, demonstrated that malicious actors could take advantage of speculative execution to read system memory that should have been inaccessible.
For example, an unauthorized party may read sensitive information in the system's memory such as passwords, encryption keys, or sensitive information open in applications.
Testing also showed that an attack running on one virtual machine was able to access the physical memory of the host machine, and through that, gain read-access to the memory of a different virtual machine on the same host.
These vulnerabilities affect many CPUs, including those from AMD, ARM, and Intel, as well as the devices and operating systems running them.
We have discovered that CPU data cache timing can be abused to efficiently leak information out of mis-speculated execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts.
Variants of this issue are known to affect many modern processors, including certain processors by Intel, AMD and ARM.
For a few Intel and AMD CPU models, we have exploits that work against real software.
Meltdown likely affects every Intel chipset that implements out-of-order execution.
That includes the x86 and x64 chips found in most personal computers and many servers going back to 1995.
It also includes Itanium and Atom chips going back to 2013.
The early focus on Intel in the media likely prompted the company to get its statement out first, ahead of everyone else: Intel and other more info companies have been made aware of new security research describing software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from computing devices that are operating as designed.
Intel believes these exploits do not have the potential to corrupt, modify or delete data.
Recent reports that these exploits are caused by a "bug" or a "flaw" and are unique to Intel products are incorrect.
Based on the analysis to date, many types of computing devices — with many different vendors' processors and operating systems — are susceptible to these exploits.
Intel is committed to product and customer security and is working closely with many other technology companies, including AMD, ARM Holdings and several operating system vendors, to develop an industry-wide approach to resolve this issue promptly and constructively.
Intel has begun providing software and firmware updates to mitigate click exploits.
Contrary to some reports, any performance impacts are workload-dependent, and, for the average computer user, should not be significant and will be mitigated over time.
Intel is committed to the industry best practice of responsible disclosure of potential security issues, which is why Intel and other vendors had planned to disclose this issue next week when more software and firmware updates will meltdown game ios available.
However, Intel is making this statement today learn more here of the current inaccurate media reports.
Check with your operating system vendor or system manufacturer and apply any available updates as soon as they are available.
Following good security practices that protect against malware in general will also help protect against possible exploitation until updates can be applied.
Intel believes its products are the most secure in the world and that, with the support of its partners, the current solutions to this issue provide the best possible security for its customers.
Because the phrasing wasn't specific as to which exploit affected which vendor, it added to some of the confusion.
Intel has since issued a new statement, claiming that patches have rendered its processors "immune" to Meltdown and Spectre.
From : Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
That's an incredibly bold statement.
Hopefully, Intel was completely certain before issuing it.
The Mac uses Intel processors — how is the Mac affected by Meltdown and Spectre?
That click here every modern Mac is affected by Meltdown and Spectre.
The good news is that Apple patched against Meltdown back in December of 2017.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Game websites for 5 />In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
How is Meltdown being patched?
Because Meltdown can't be patched in hardware, operating system makers are patching it in software.
The patches are variations of KAISER — kernel address isolation to have side-channels efficiently removed.
From : Whereas current systems have a single set of page tables for each process, KAISER implements two.
One set is essentially unchanged; it includes both kernel-space and user-space addresses, but it is only used when the system is running in kernel are ios games free download for ipod consider />The second "shadow" page table contains a copy of all of the user-space mappings, but leaves out the kernel side.
Instead, there is a minimal set of kernel-space mappings that provides the information needed to handle system calls and interrupts, but no more.
Copying the page tables may sound inefficient, but the copying only happens at the top level of the page-table hierarchy, so the bulk of that data is shared between the two copies.
Basically, instead of letting everything mingle together for speed, KAISER separates it out for security.
So, the patch is what causes a performance hit?
From the same explanation on : KAISER will affect performance for anything that does system calls or interrupts: everything.
Just the new instructions CR3 manipulation add a few hundred cycles to a syscall or interrupt.
Most workloads that we have run show single-digit regressions.
The worst we have seen is a roughly 30% regression on a loopback networking test that did a ton of syscalls and context switches.
Is AMD affected as well — reports seem to disagree?
AMD doesn't appear to be affected by Meltdown but does seem to be affected by Spectre, which has caused some confusion.
AMD also seems to think Spectre isn't a real-world risk.
Anbefore the embargo lifted, claimed AMD wasn't affected.
AMD processors are not subject to the types of attacks that the kernel page table isolation feature protects against.
The AMD microarchitecture does not allow memory references, including speculative references, that access higher privileged data when running in a lesser privileged mode when that access would result in a page fault.
Apple currently doesn't use CPUs made by AMD in any of its products, only GPUs, so, regardless of how this part shakes out, it won't have any affect on Mac users.
Apple uses ARM chips in iPhone, iPad, and Apple TV, right?
Apple originally licensed ARM designs.
Starting with iPhone 5s, Apple switched to licensing the ARM v8 instruction set so the company could make its own, custom designs.
Unlike AMD, it looks like ARM might be affected by both Meltdown and Spectre.
Ryan Smith, writing for : The immediate concern is an exploit being called Meltdown, which primarily affects Intel's CPUs, but also has been confirmed to affect some ARM CPU designs as well.
With Meltdown it is possible for malicious code to abuse Intel and ARM's speculative execution implementations to get the processor to leak information from other processes — particularly the all-knowing operating system kernel.
As a result, Meltdown can be readily used to spy on other processes and sneak out information that should be restricted to the kernel, other programs, or other virtual machines.
Based on the recent research findings from Google on the potential new cache timing side-channels exploiting processor speculation, here is the latest information on possible Arm processors impacted and their potential mitigations.
We will post any new research findings here as needed.
Cache timing side-channels are a well-understood concept in the area of security research and therefore not a new finding.
However, this side-channel mechanism could enable someone to potentially extract some information that otherwise would not be accessible to software from processors that are performing as designed and not based on a flaw or bug.
This is the issue addressed here and in the Cache Speculation Side-channels whitepaper.
It is important to note that this method is dependent on malware running locally which means it's imperative for users to practice good security hygiene by keeping their software up-to-date and avoid suspicious links or downloads.
The majority of Arm processors are not impacted by any variation of this side-channel speculation mechanism.
A definitive list of the small subset of Arm-designed processors that are susceptible can be found below.
Apple has since put out a technical note on the status of ARM-based vulnerabilities and software patches.
From : Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
Analysis of these techniques revealed that while they are extremely difficult to exploit, even by an app running locally on a Mac or iOS device, they can be potentially exploited in JavaScript running in a web browser.
Apple will release an update for Safari on macOS and iOS in the coming days to mitigate these exploit techniques.
No word yet on what, if any, updates might be made available for previous versions of iOS, and tvOS.
Which versions of iOS and tvOS are patched against Meltdown and Spectre?
Current versions of iOS and tvOS patch against Meltdown.
Patches for Safari to mitigate against Spectre are still forthcoming.
Apple Watch isn't affected by Meltdown or Spectre?
Apple Watch was designed to run under extremely power sensitive conditions and, as such, the S-series system-in-package inside it doesn't use the type of speculative execution architecture vulnerable to Read article />Apple Watch also doesn't have any front facing web browser capability, so there's no risk from Spectre-based JavaScript attacks targeting browsers.
How can you protect against Meltdown-based attacks?
For home users on Intel-based computers, including Macs, Meltdown can only be exploited by code running on your machine.
That means someone first needs to have physical access to your computer or has to trick you into installing malware through phishing or some other form of social engineering attack.
The patches being issued by Apple and other platform-makers should mitigate even that risk over time.
How can you protect against Spectre-based attacks?
Spectre affects a wider range of devices, could well be much harder to mitigate, but also seems to be much harder to exploit.
Details are still emerging, though.
So, we'll have to wait and see.
Is it time to panic and burn it all down?
For now, stay informed and stay updated.
As the patches come out both now and in the future, download and install them.
No code or architecture is perfect.
There will always be bugs.
There will always be flaws.
Some of them will seem gobsmackingly stupid.
What matters is how quickly and well vendors respond to them.
In this case, it looks like everyone is responding as quickly as possible for as many customers meltdown game ios possible.
More as it develops.
Originally published on January 3, 2018.
Last updated January 5, 2018.
Rene Ritchie Rene Ritchie has been covering the personal technology industry for a decade.
An outspoken analyst and critic, he writes atpodcasts atand you can find his show at.
Follow him reneritchie on and.

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Both could theoretically be used to read information from a computer's memory, including private information like passwords, photos, messages, and more.
Apple has apparently already started patching Meltdown in macOS.
Here's what you need to know.
January 22, 2018: Apple's Meltdown game ios not affected by Go here issues with Spectre microcode patches Intel has identified an issue that affected Broadwell and Haswell processors that had been updated with Intel's microcode patches to mitigate against the Spectre exploit.
Apple didn't rush to apply Intel's microcode patches but, thus far, has provided patches for WebKit and Safari to prevent potential JavaScript-based Spectre exploits instead.
For those interested, or potentially affected through other products, here's what had to say: As we start the week, I want to provide an update on the reboot issues we reported Jan.
We have now identified the root cause for Broadwell and Haswell platforms, and made good progress in developing a solution to address it.
Over the weekend, we began rolling out an early version of the updated solution to industry partners for testing, and we will make a final release available once that testing has been completed.
For the full list of platforms, see the Intel.
We expect to share more details on timing later this week.
I apologize for any disruption this change in guidance may cause.
The security of our products is critical for Intel, our customers and partners, and for me, personally.
I assure you we are working around the clock to ensure we are addressing these issues.
what is best games 3gs ios 6 will keep you updated as we learn more and thank you for your patience.
January 15, 2018: No, iOS 11.
A strange story began gaining traction over the weekend.
It was based on a set of comparative CPU benchmarks for an iPhone before and after the iOS continue reading />And the blame for the slowdown was placed squarely on iOS 11.
Which should have set off alarm bells for anyone covering the story because iOS 11.
From : iOS 11.
So, the affects of any Spectre mitigations wouldn't manifest in direct CPU benchmarks at all.
John Poole, the developer of the Geekbench benchmark tool, has the answer: Regarding the "story" of iOS 11.
Spoiler: Looks like bad testing coupled with careless reporting.
It's natural for people to be confused and unfortunately typical for publishers to rush for headlines.
But we owe it to ourselves and our audiences, be they social or traditional, to take a breath, take our time, and get this stuff right.
January 8, 2018: Apple today pushed out iOS 11.
These add the first in what may be a series of updates to help protect the Safari web browser from Spectre-based attacks.
From : Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Description: iOS 11.
Available for: macOS High Sierra 10.
There were also updates for Safari 11.
Following the updates, WebKit, the open-source engine behind Safari, has shared what Meltdown and Spectre mean for its technology stack.
From : To initiate a Spectre- or Meltdown-based attack, the attacker must be able to run code on the victim's processor.
WebKit is affected because in order to render modern web sites, any web JavaScript engine must allow untrusted JavaScript code to run on the user's processor.
Spectre impacts WebKit directly.
Meltdown impacts WebKit because WebKit's security properties must first be bypassed via Spectre before WebKit can be used to mount a Meltdown game ios attack.
Spectre means that an attacker can control branches, so branches alone are no longer adequate for enforcing security properties.
Not all CPUs are affected by Meltdown and Meltdown is being mitigated by operating system changes.
Mounting a Meltdown attack via JavaScript running in WebKit requires first bypassing branch-based security checks, like in the case of a Spectre attack.
Therefore, Spectre mitigations that fix the branch problem also prevent an attacker from using WebKit as the starting point for Meltdown.
This document explains how Spectre and Meltdown affect existing WebKit security mechanisms and what short-term and long-term fixes WebKit is deploying to provide protection against this new class of attacks.
This reuses the 10.
The version number should be either 13604.
This reuses the 11.
Patched versions are 11604.
Again, these are just the first in what may be a series of WebKit and Safari-based updates to protect against Spectre-based exploits.
Today, Apple updated again to remove Sierra and El Capitan.
So, only macOS High Sierra has been patched against Meltdown to date.
Hopefully, patches for Sierra and El Capitan will meltdown game ios pushed asap.
January 4, 2018: Apple and Intel update on Meltdown and Spectre Apple has posted a knowledge base article detailing both the updates the company has already pushed out to address Meltdown on macOS, iOS, and tvOS watchOS is not affectedand its plans to push further updates to protect Safari from Spectre.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Continue reading />Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
According toMeltdown was patched for macOS High Sierra 10.
Update: Apple has updated the support page to correct the previous version and reflect that only macOS High Sierra has currently been patched.
Hopefully, we'll still see the updates for Sierra and El Capitan soon as well.
In terms of what, if any performance hits the updates may cause, the news is good: Our testing with public benchmarks has shown that the changes in the December 2017 updates resulted in no measurable reduction in the performance of macOS and iOS as measured by the GeekBench 4 benchmark, or in common Web browsing benchmarks such as Speedometer, JetStream, and ARES-6.
Our current testing indicates that the upcoming Safari mitigations will have no measurable impact on the Speedometer and ARES-6 tests and an impact of less than 2.
Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — game for ios 5 render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
Let's hope Intel is using it out of confidence and not bravado.
Why is this all so confusing?
We're dealing with a couple of exploits across several flaws.
Chipset vendors like Intel, AMD, and ARM, and platform-makers including Apple, Microsoft, and the Linux Foundation, were apparently working under a mutually agreed-upon embargo originally set to drop the week of January 8, 2018.
Updates made to Linux, however, were spotted and eventually picked up by the week of January 1, 2018.
A full week early.
A fundamental design flaw in Intel's processor chips has forced a significant redesign of the Linux and Windows kernels to defang the chip-level security bug.
Programmers meltdown game ios scrambling to overhaul the open-source Linux kernel's virtual memory system.
Meanwhile, Microsoft is expected to publicly introduce the necessary changes to its Windows operating system in an upcoming Patch Tuesday: these changes were seeded to beta testers running fast-ring Windows Insider builds in November and December.
Crucially, these updates to both Linux and Windows will incur a performance hit on Intel products.
The effects are still being benchmarked, however we're looking at a ballpark figure of five to 30 per cent slow down, depending on the task and the processor model.
More recent Intel chips have features — such as PCID — to meltdown game ios the performance hit.
Your mileage may racing game online />Because it contained only partial information it led to a lot of uncertainty and speculation.
So, what are Meltdown and Spectre exactly?
From : Last year, Google's Project Zero team discovered serious security flaws caused by "speculative execution," a technique used by most modern processors CPUs to optimize performance.
The Project Zero researcher, Jann Horn, demonstrated that malicious actors could take advantage of speculative execution to read system memory that should have been inaccessible.
For example, an unauthorized party may read sensitive information in the system's memory such as passwords, encryption keys, or sensitive information open in applications.
Testing also showed that an attack running on one virtual machine was able to access the physical memory of the host machine, and through that, gain read-access to the memory of a different virtual machine on the same host.
These vulnerabilities affect many CPUs, including those from AMD, ARM, and Intel, as well as the devices and operating systems running them.
We have discovered that CPU data cache timing can be abused to efficiently leak information out of mis-speculated execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts.
Variants of this issue are known to affect many modern processors, including certain processors by Intel, AMD and ARM.
For a few Intel and AMD CPU models, we have exploits that work against real software.
Meltdown likely affects every Intel chipset that implements out-of-order execution.
That includes the x86 and x64 chips found in most personal computers and many servers going back to 1995.
It also includes Itanium and Atom chips going back to 2013.
The early focus on Intel in the media likely prompted the company to get its statement out first, ahead of everyone else: Intel and other technology companies have been made aware of new security research describing software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from computing devices that are operating as designed.
Intel believes these exploits do not have the potential to corrupt, modify or delete data.
Recent reports that these exploits are caused by a "bug" or a "flaw" and are unique to Intel products are incorrect.
Based on check this out analysis to date, many types of computing devices — with many different vendors' processors and operating systems — are susceptible to these exploits.
Intel is committed to product and customer security and is working closely with many other technology companies, including AMD, ARM Holdings and several operating system vendors, to develop an industry-wide approach to resolve this issue promptly and constructively.
Intel has begun providing software and firmware updates to mitigate these exploits.
Contrary to some reports, any performance impacts are workload-dependent, and, for the average computer user, should not be significant and will be mitigated over time.
Intel is committed to the industry best practice of responsible disclosure of potential security issues, which is why Intel and other vendors had planned to disclose this issue next week when more software and firmware updates will be available.
However, Intel is making this statement today because of the current inaccurate media reports.
Check with your operating system vendor or system manufacturer and apply any available updates as soon as they are available.
Following good security practices that protect against malware in general will also help protect against possible exploitation until updates can be applied.
Intel believes its products are the most secure in the world and that, with the support of its partners, the current solutions to this issue provide the best possible security for its customers.
Because the phrasing wasn't specific as to which exploit affected which vendor, it added to some of the confusion.
Intel has since issued a new statement, claiming that patches have rendered its processors "immune" to Meltdown and Spectre.
From : Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
That's an incredibly bold statement.
Hopefully, Intel was completely certain before issuing it.
The Mac uses Intel processors — how is the Mac affected by Meltdown and Spectre?
That means every modern Mac is affected by Meltdown and Spectre.
The good news is that Apple patched against Meltdown back in December of 2017.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a meltdown game ios app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
How is Meltdown being patched?
Because Meltdown can't be patched in hardware, operating system makers are patching it in software.
The patches are variations of KAISER — kernel address isolation to have side-channels efficiently removed.
From : Whereas current systems have a single set of page tables for each process, KAISER implements two.
One set is essentially unchanged; it includes both kernel-space and user-space addresses, but it is only used when the system is running in kernel mode.
The second "shadow" page table contains a copy of all of the user-space mappings, but leaves out the kernel side.
Instead, there is a minimal set of kernel-space mappings that provides the information needed to handle system calls and interrupts, but no more.
Copying the page tables may sound inefficient, but the copying only happens at the top level of the page-table hierarchy, so the bulk of that data is shared between the two copies.
Basically, instead of letting everything mingle together for speed, KAISER separates it out for security.
So, the patch is what causes a performance hit?
From the same explanation on : KAISER will affect performance for anything that does system calls or interrupts: everything.
Just the new instructions CR3 manipulation add a few hundred cycles to a syscall or interrupt.
Most workloads that we have run show single-digit regressions.
The worst we have seen is a roughly 30% regression on a loopback networking test that did a ton of syscalls and context switches.
Is AMD affected as well — reports meltdown game ios to disagree?
AMD doesn't appear to be affected by Meltdown but does seem to be affected by Spectre, which has caused some confusion.
AMD also seems to think Spectre isn't a real-world risk.
Anbefore the embargo lifted, claimed AMD wasn't affected.
AMD processors are not subject to the types of attacks that the kernel page table isolation feature protects against.
The AMD microarchitecture does not allow memory references, including speculative references, that access higher privileged data when running in a lesser privileged mode when that access would result in a page fault.
Apple currently doesn't use CPUs made by AMD in any of its products, only GPUs, so, regardless of how this part shakes out, it won't have any affect on Mac users.
Apple uses ARM chips in iPhone, iPad, and Apple TV, right?
Apple originally licensed ARM designs.
Starting with iPhone 5s, Apple switched to licensing the ARM v8 instruction set so the company could make its own, custom designs.
Unlike AMD, it looks like ARM might be affected by both Meltdown and Spectre.
Ryan Smith, writing for : The immediate concern is an exploit being called Meltdown, which primarily affects Intel's CPUs, but also has been confirmed to affect some ARM CPU designs as well.
With Meltdown it is possible for malicious code to abuse Intel and ARM's speculative execution implementations to get the processor to leak information from other processes — particularly the all-knowing operating system kernel.
As a result, Meltdown can be readily used to spy on other processes and sneak out information that should be restricted to the kernel, other programs, or other virtual machines.
Based on the recent research findings from Google on the potential new cache timing side-channels exploiting processor speculation, here is the latest information on possible Arm processors impacted and their potential mitigations.
We will post any new research findings here as needed.
Cache timing side-channels are a well-understood concept in the area of security research and therefore not a new finding.
However, this side-channel mechanism could enable someone to potentially extract some information that otherwise would not be accessible to software from processors that are performing as designed and not based on a flaw or bug.
This is the issue addressed here and in the Cache Speculation Side-channels whitepaper.
It is important to note that this method is dependent on malware ios free games multiplayer locally which means it's imperative for users to practice good security hygiene by keeping their software up-to-date and avoid suspicious links or downloads.
The majority of Arm processors are not impacted by any variation of this side-channel speculation mechanism.
A definitive list of the small subset of Arm-designed processors that are susceptible can be found below.
Apple has since put out a technical note on the status of ARM-based vulnerabilities and software patches.
From : Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
Analysis of these techniques revealed that while they are extremely difficult to exploit, even by an app running locally on a Mac or iOS device, they can be potentially exploited in JavaScript running in a web browser.
Apple will release an update for Safari on macOS and iOS in the coming days to mitigate these exploit techniques.
No word yet on what, if any, updates might be made available for previous versions of iOS, and tvOS.
Which versions of iOS and tvOS are patched against Meltdown and Spectre?
Current versions of iOS and tvOS patch against Meltdown.
Patches for Safari to games online ios roam free against Spectre are still forthcoming.
Apple Watch isn't affected by Meltdown or Spectre?
Apple Watch was designed to run under extremely power sensitive conditions and, as such, the S-series system-in-package inside it doesn't use the type of speculative execution architecture vulnerable to Meltdown.
Apple Watch also doesn't have any front facing web browser capability, so there's no risk from Spectre-based JavaScript attacks targeting browsers.
How can you protect against Meltdown-based attacks?
For home users on Intel-based computers, including Macs, Meltdown can only be exploited by meltdown game ios running on your machine.
That means someone first needs to have physical access to your computer or has to trick you into installing malware through phishing or some other form of social engineering attack.
The patches being issued by Apple and other platform-makers should mitigate even that risk over time.
How can you protect against Spectre-based attacks?
Spectre affects a wider range of devices, could well be much harder to mitigate, but also seems to be much harder to exploit.
Details are still emerging, though.
So, we'll have to wait and see.
Is it time to panic and burn it all down?
For now, stay informed and stay updated.
As the patches come out both now and in the future, download and install them.
No code or architecture is perfect.
There will always be bugs.
There will always be flaws.
Some of them will seem gobsmackingly stupid.
What matters is how quickly and well vendors respond to them.
In this case, it looks like everyone is responding as quickly as possible for as many customers as possible.
More as it develops.
Originally published on January 3, 2018.
Last updated January 5, 2018.
Rene Ritchie Rene Ritchie has been covering the personal technology industry for a decade.
An outspoken analyst and critic, he writes atpodcasts atand you can find his show at.
Follow him reneritchie on and.

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Apple has issued important maintenance updates for iOS (11.2.2) and macOS High Sierra (10.13.2), designed to strengthen its software’s defences against the ever-so-scary Meltdown and Spectre.


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Geometry Dash Meltdown Game Download For Android | IOS | PC
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Prepare for a new Geometry Dash adventure filled with more spikes go here monsters than thought possible!
Flex your clicky finger as you jump, fly and flip your way through dark caverns and spiky obstacles.
Geometry Dash answers the age old question: meltdown game ios do you get when you mix techno, dubstep, spikes and a rainbow?
The F-777 music makes the game seem more fun than challenging at least on some levels.
I got through the three levels so fast though!
There are only three, and it would be so much meltdown game ios fun if they made more levels.
Although I really love this game now, I bought the full version of Geometry Dash first.
Whenever you try to buy the full version of Geometry Dash Meltdown it brings you back to Geometry Dash!
I know that's how it's supposed to work, but Meltdown is different from the original.
It has different music, different styled levels, different characters, and less levels.
What I don't get is that, you unlock a character and color in Meltdown and it says for the locked colors that you can only get them in the full version.
When I go to Geometry Dash, meltdown game ios of the https://gsdonline.ru/ios/ios-multiplayer-games-wifi.html are different and so are the colors.
So the locked colors are basically saying, "You'll never unlock us.
It may surprise you.
The reason why this game is more fun is because 1: The awesome F-777 music, and 2: The levels aren't TOO challenging, and if you're experienced with the first meltdown game ios, they can be pretty easy, which makes it a better warm up than some of the so called "warm up levels" in the first game which are included in the lite version, for example: Stereo Madness and Back On Track take forever to beat, on your first meltdown game ios playing, a warm up level should be easier like The Seven Seas in this game, it's much less hard and annoying, plus, the music in the first game for the first two levels is catchy, but, boring if you're not playing the levels, unlike, the songs in this game, which are epic, and make you head bang!
However, that doesn't make the levels impossible to lose, it takes a article source attempts, especially if you're trying to get the coins!
And this game tends to behave like a demo rather than a full game, I'm aware that this is an early version, but, this really should've been released fully and've been able to keep updating, and with that, comes the ads!
I mean meltdown game ios it really so hard to remove those?
And that would of course make you want to get the full version right?
Well if you try it, it takes you to the full version of the first game!!!!
I really like this game.
It feels very much like Geometry Dash.
It's pretty obvious that all three levels in this game got inspiration from the first three levels in Geometry Dash not Meltdown.
I really like how it includes aspects from 2.
However, it's a game made mainly for people who don't have the full version of Geometry Dash.
If you have the full version, you'll know what I mean.
You can't unlock all of the icons on Meltdown even if you have the full version, and you can't transfer the Meltdown exclusive levels or icons meltdown game ios the full version.
And I'm not a big fan of getting an ad for a game it shows ads of the full version I already have every five deaths.
I wish RobTop would make so in the next meltdown game ios onwards, if you have the full version of Geometry Dash, you won't get ads on Meltdown.
All in all, it's a good game with awesome music and great levels, but it doesn't reward you if you have the full version.
Also, the sound and music don't seem to work.
I expect the sound to be fixed in the next update.

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The main game is fun and the challenges build, but it's glitchy in both expansions, so you literally can't finish them. Very frustrating. Don't pay money for them until the glitches are fixed. Last iOS updated (Aug 17) has a glitch. Game won't load.


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Both could theoretically be used to read information from a computer's memory, including private information like passwords, photos, messages, and more.
Apple has apparently already started patching Meltdown in macOS.
Here's what you need to know.
January 22, 2018: Apple's Mac not affected by Intel's issues with Spectre microcode patches Intel has identified an issue that affected Broadwell and Haswell processors that had been updated with Intel's microcode patches to mitigate against the Spectre exploit.
Apple didn't rush to https://gsdonline.ru/ios/free-games-ios-7.html Intel's microcode patches but, thus far, has provided patches for WebKit and Safari to prevent potential JavaScript-based Spectre exploits instead.
For those interested, or potentially affected through other products, here's what had to say: As we start the week, I want to provide an update on the reboot issues we reported Jan.
We have now identified the root cause for Broadwell and Haswell platforms, and made good progress in developing a solution to address it.
Over the weekend, we began rolling out an early version of the updated solution to industry partners for testing, and we will make a final release available once that testing has been completed.
For the full list of platforms, see the Intel.
We expect to share more details on timing later this week.
I apologize for any disruption this change in guidance may cause.
The security of our products is critical for Intel, our customers and partners, and for me, personally.
I assure you we are working around the clock to ensure we are addressing these issues.
I will keep you updated as we learn more and thank you for your patience.
January 15, 2018: No, iOS 11.
A strange story began gaining traction over the weekend.
It was based on a set of comparative CPU benchmarks for an iPhone before and after the iOS 11.
And the blame for the slowdown was placed squarely on iOS 11.
Which should have set off alarm bells for anyone covering the story because iOS 11.
From : iOS 11.
So, the affects of any Spectre mitigations wouldn't manifest in direct CPU benchmarks at all.
John Poole, the developer of the Geekbench benchmark tool, has the answer: Regarding the "story" of iOS 11.
Spoiler: Looks like bad testing coupled with careless reporting.
It's natural for people to be confused and unfortunately typical for publishers to rush for headlines.
But we owe it to ourselves and our audiences, be they social or traditional, to take a breath, take our time, and get this stuff right.
January 8, 2018: Apple today pushed out iOS 11.
These add the first in what may be a series of updates to help protect the Safari web browser from Spectre-based attacks.
check this out : Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Description: iOS 11.
Available for: macOS High Sierra 10.
There were also updates for Safari 11.
Following the updates, WebKit, the open-source engine behind Safari, has shared what Meltdown and Spectre mean for its technology stack.
From : To initiate a Spectre- or Meltdown-based attack, the attacker must be able to run code on the victim's processor.
WebKit is affected because in order to render modern web sites, any web JavaScript engine must allow untrusted JavaScript code to run on the user's processor.
Spectre impacts WebKit directly.
Meltdown impacts WebKit because WebKit's security properties must first be bypassed via Spectre before WebKit can be used to mount a Meltdown attack.
Spectre means that an attacker can control branches, so branches alone are no longer adequate for enforcing security properties.
Not all CPUs are affected by Meltdown and Meltdown is being mitigated by operating system changes.
Mounting a Meltdown attack via JavaScript running in WebKit requires first bypassing branch-based security checks, like in the case of a Spectre attack.
Therefore, Spectre mitigations that fix the branch problem also what online free roam games ios happens an attacker from using WebKit as the starting point for Meltdown.
This document explains meltdown game ios Spectre and Meltdown affect existing WebKit security mechanisms and what short-term and long-term fixes WebKit is deploying to provide protection against this new class of attacks.
This reuses the 10.
The version number should be either 13604.
This reuses the 11.
Patched versions are 11604.
Again, these are just the first in what may be a series of WebKit and Safari-based updates to protect against Spectre-based exploits.
Today, Apple updated again to remove Sierra and El Capitan.
So, only macOS High Sierra has been patched against Meltdown to date.
Hopefully, patches for Sierra and El Capitan will be pushed asap.
January 4, 2018: Apple and Intel update on Meltdown and Spectre Apple has posted a knowledge base article detailing both the updates the company has already pushed out to address Meltdown on macOS, iOS, and tvOS watchOS is not affectedand its plans to push further updates to protect Safari from Spectre.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
According toMeltdown was patched for macOS High Sierra 10.
Update: Apple has updated the support page to correct the previous version and reflect that only macOS High Sierra has currently been patched.
Hopefully, we'll still see the updates for Sierra and El Capitan soon as well.
In terms of what, if any performance hits the updates may cause, the news is good: Our testing with public benchmarks has shown that the changes in the December 2017 updates resulted in no measurable reduction in the performance of macOS and iOS as measured by the GeekBench 4 benchmark, or in common Web browsing benchmarks such as Speedometer, JetStream, and ARES-6.
Our current testing indicates that the upcoming Safari mitigations will have no measurable impact on the Speedometer and ARES-6 tests and an impact of less than 2.
Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
Let's hope Intel is using it out of confidence and not bravado.
Why is this all so confusing?
We're dealing with a couple of exploits across several flaws.
Chipset vendors like Intel, AMD, and ARM, and platform-makers including Apple, Microsoft, and the Linux Foundation, were apparently working under a mutually agreed-upon embargo originally set to drop the week of January 8, 2018.
Updates made to Linux, however, were spotted and eventually picked up by the week of January 1, 2018.
A full week early.
A fundamental design flaw in Intel's processor chips has forced a significant redesign of the Linux and Windows kernels to defang the chip-level security bug.
Programmers are scrambling to overhaul the open-source Linux kernel's virtual memory system.
Meanwhile, Microsoft is expected to publicly introduce the necessary changes to its Windows operating system in an upcoming Patch Tuesday: these changes were seeded to beta testers running fast-ring Windows Insider builds in November and December.
Crucially, these updates to both Linux and Windows will incur a performance hit on Intel products.
The effects are still being benchmarked, however we're looking at a ballpark figure of five to 30 per cent slow down, depending on the task and the processor model.
More recent Intel chips have features — such as PCID — to reduce the performance hit.
Your mileage may vary.
Because it contained only partial information it led to a lot of uncertainty and speculation.
So, what are Meltdown and Spectre exactly?
From : Last year, Google's Project Zero team discovered serious security flaws caused by "speculative execution," a technique used by most modern processors CPUs to optimize performance.
The Project Zero researcher, Jann Horn, demonstrated that malicious actors could take advantage of speculative execution to read system memory that should have click here inaccessible.
For example, an unauthorized party may read sensitive information in the system's memory such as passwords, encryption keys, or sensitive information open in applications.
Testing also showed that an attack running on one virtual machine was able to access the physical memory of the host machine, and through that, gain read-access to the memory of a different virtual machine on the same host.
These vulnerabilities affect many CPUs, including those from AMD, ARM, and Intel, as well as the devices and operating systems running them.
We have discovered that CPU data cache timing can be abused to efficiently leak information out of mis-speculated execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts.
Variants of this issue are known to affect many modern processors, including certain processors by Intel, AMD and ARM.
For a few Intel and AMD CPU models, we have exploits that work against racing game ios software.
here likely affects every Intel chipset that implements out-of-order execution.
That includes the x86 and x64 chips found in most personal computers and many servers going back to 1995.
It also includes Itanium and Atom chips going meltdown game ios to 2013.
The early focus on Intel in the media likely prompted the company to get its statement out first, ahead of everyone else: Intel and other technology companies have been made aware of new security research describing software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from computing devices that are operating as designed.
Intel believes these exploits do not have the potential to corrupt, modify or delete data.
Recent reports that these exploits are caused by a "bug" or a "flaw" and are unique to Intel products are incorrect.
Based on the analysis to date, many types of computing devices — with many different vendors' processors and operating systems — are susceptible to these exploits.
Intel is committed to product and customer security and is working closely with many other technology companies, including AMD, ARM Holdings and several operating system vendors, to develop an industry-wide approach to resolve this issue promptly and constructively.
Intel has begun providing software and firmware updates to mitigate these exploits.
Contrary to some reports, any performance impacts are workload-dependent, and, for the games ipod ios free download for computer user, should not be significant and will be mitigated over time.
Intel is committed to the industry best practice of responsible disclosure of potential security issues, which is why Intel and other vendors had planned to disclose this issue next week when more software and firmware updates will be available.
However, Intel is making this statement today because of the current inaccurate media reports.
Check with your operating system vendor or system manufacturer and apply any available updates as soon as they are available.
Following good security practices that protect against malware in general will also help protect against possible exploitation until updates can be applied.
Intel believes its products are the most secure in the world and that, with the support ios multiplayer games wifi its partners, the current solutions to this issue provide the best possible security for its customers.
Because the phrasing wasn't specific as to which exploit affected which vendor, it added to some of the confusion.
Intel has since issued a new statement, claiming that patches have rendered its processors "immune" to Meltdown and Spectre.
From : Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
That's an incredibly bold statement.
Hopefully, Intel was completely certain before issuing it.
The Mac uses Intel processors — how is the Mac affected by Meltdown and Spectre?
That means every modern Mac is affected by Meltdown and Spectre.
The good news is that Apple patched against Meltdown back in December of 2017.
From : Security researchers have recently uncovered security issues known by two meltdown game ios, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
How is Meltdown being patched?
Because Meltdown can't be patched in hardware, operating system makers are patching it in software.
The patches are variations of KAISER — kernel address isolation to have side-channels efficiently removed.
From : Whereas current systems have a single set of page tables for each process, KAISER implements two.
One set is essentially unchanged; it includes both kernel-space and user-space addresses, but it is only used when the system is running in kernel mode.
The second "shadow" page table contains a copy of all of the user-space mappings, but leaves out the kernel side.
Instead, there is a minimal set of kernel-space mappings that provides the information needed to handle system calls and interrupts, but no more.
Copying the page tables may sound inefficient, but the copying only happens at the top level of the page-table hierarchy, so the bulk of that data is shared between the two copies.
Basically, instead of letting everything mingle together for speed, KAISER separates it out for security.
So, the patch is what causes a performance hit?
From the same explanation on : KAISER will affect performance for anything that does system calls or interrupts: everything.
Just the new instructions CR3 manipulation add a few hundred cycles to a syscall or interrupt.
Most workloads that we have run show single-digit regressions.
The worst link have seen is a roughly 30% regression on a loopback networking test that did a ton of syscalls and context switches.
Is AMD affected as well — reports seem to disagree?
AMD doesn't appear to be affected by Meltdown but does seem to be affected by Spectre, which has caused some confusion.
AMD also seems to think Spectre isn't a real-world risk.
Anbefore the embargo lifted, claimed AMD wasn't affected.
AMD processors are not subject to the types of attacks that the kernel page table isolation feature protects against.
The AMD microarchitecture does not allow memory references, including speculative references, that access higher privileged data when running in a lesser privileged mode when that access would result in a page fault.
Apple currently doesn't use CPUs made by AMD in any of its products, only GPUs, meltdown game ios, regardless of how this part shakes out, it won't have any affect on Mac users.
Apple uses ARM chips in iPhone, iPad, and Apple TV, right?
Apple meltdown game ios licensed ARM designs.
Starting with iPhone 5s, Apple switched to licensing the ARM v8 instruction set so the company could make its own, custom designs.
Unlike AMD, it looks like ARM might be affected by both Meltdown and Spectre.
Ryan Smith, writing for : The immediate concern is an exploit being called Meltdown, which primarily affects Intel's CPUs, but also has been confirmed to affect some ARM CPU designs as well.
With Meltdown it is possible for malicious code to abuse Intel and ARM's speculative execution implementations to get the processor to leak information from other processes — particularly the all-knowing operating system kernel.
As a result, Meltdown can be readily used to spy on other processes and sneak out information that should be restricted to the kernel, other programs, or other virtual machines.
Based on the recent research findings from Google on the potential new cache timing side-channels exploiting processor speculation, here is the latest information on possible Arm processors impacted and their potential mitigations.
We will post any new research findings here as https://gsdonline.ru/ios/iron-man-3-ios-game-hack-no-jailbreak.html />Cache timing side-channels are a well-understood concept in the area of security research and therefore not a new finding.
However, this side-channel mechanism could enable someone to potentially extract some information that otherwise would not be accessible to software from processors that are performing as designed and not based on a flaw or bug.
This is the issue addressed here and in the Cache Speculation Side-channels whitepaper.
It is important to note that this method is dependent on malware running locally which means it's imperative for users to practice good security hygiene by keeping their software up-to-date and avoid suspicious links or downloads.
The majority of Arm processors are not impacted by any variation of this side-channel speculation mechanism.
A definitive list of the small subset of Arm-designed processors that are susceptible can be found below.
Apple has since put out a technical note on the status of ARM-based vulnerabilities and software patches.
From : Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
Analysis of these techniques revealed that while they are extremely difficult to exploit, even by an app running locally on a Mac or iOS device, they can be potentially exploited in JavaScript running in a web browser.
Apple will release an update for Safari on macOS and iOS in the coming days to mitigate these exploit techniques.
No word yet on what, if any, updates might be made available for previous versions of iOS, and tvOS.
Which versions of iOS and tvOS are patched against Meltdown and Https://gsdonline.ru/ios/chess-game-for-android-and-ios.html />Current versions of iOS and tvOS patch against Meltdown.
Patches for Safari to mitigate against Spectre are still forthcoming.
Apple Watch isn't affected by Meltdown game ios or Spectre?
Apple Watch was designed to run under extremely power sensitive conditions and, as such, the S-series system-in-package inside it doesn't use the type of speculative execution architecture vulnerable to Meltdown.
Apple Watch also doesn't have any front facing web browser capability, so there's no risk from Spectre-based JavaScript attacks targeting browsers.
How can you protect against Meltdown-based attacks?
For home users on Intel-based computers, including Macs, Meltdown can only be exploited by code running on your machine.
That means someone first needs to have physical access to your computer or has to trick you into installing malware through phishing or some other form of social engineering attack.
The patches being issued by Apple and other platform-makers should mitigate even that risk over time.
How can you protect against Spectre-based attacks?
Spectre affects a wider range of devices, could well be much harder to mitigate, meltdown game ios also seems to be much harder to exploit.
Details are still emerging, though.
So, we'll have to wait and see.
Is it time to panic and burn it all down?
For now, stay informed and stay updated.
As the patches come out both now and in the future, download and install them.
No code or architecture is perfect.
There will always be bugs.
There will always be flaws.
Some of them will seem gobsmackingly stupid.
What matters is how quickly meltdown game ios well vendors respond to them.
In this case, it looks like everyone is responding as quickly as possible for as many customers as possible.
More as it develops.
Originally published on January 3, 2018.
Last updated January 5, 2018.
Rene Ritchie Rene Ritchie has been covering the personal technology industry for a decade.
An outspoken analyst and critic, he writes atpodcasts atand you can find his show at.
Follow him reneritchie on and.

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Meltdown | Phenomenon Games
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Geometry Dash Meltdown is a free ad-supported expansion app of Geometry Dash developed and published by RobTop Games and released on December 19, 2015 for iOS and Android. It features three exclusive levels, with limited achievements, icons and collectibles. The ability to transfer certain...


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Apple releases patches addressing the Spectre vulnerability impacting its macOS, iPhone, iPad and iPod touch. Apple released iOS 11.2.2 software Monday for iPhones, iPads and iPod touch models.


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Frantic Alarming Questions 'Meltdown' and 'Spectre' FAQ: What Mac and iOS users need to know about the Intel, AMD, and ARM flaw A series of flaws have been discovered in Intel, AMD, and ARM chipsets that allow speculative references to be probed for privileged data.


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Frantic Alarming Questions 'Meltdown' and 'Spectre' FAQ: What Mac and iOS users need to know about the Intel, AMD, and ARM flaw A series of flaws have been discovered in Intel, AMD, and ARM chipsets that allow speculative references to be probed for privileged data.


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'Meltdown' and 'Spectre' FAQ: What Mac and iOS users need to know about the Intel, AMD, and ARM flaw | iMore
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Prepare for a new Geometry Dash adventure filled with more spikes and monsters than thought possible!
Flex your clicky finger as you jump, fly and flip your way through dark caverns and spiky obstacles.
Geometry Dash answers the age old question: "What do you get when you mix techno, click at this page, spikes and a rainbow?
The F-777 music makes the game seem more fun than challenging at least on some levels.
I got through the three levels so fast though!
There are only three, and it would be so much more fun if they made more levels.
Although I really love this game now, I bought the full version of Geometry Dash first.
Whenever you try to buy the full version of Geometry Dash Meltdown it brings you back to Geometry Dash!
I know that's how it's supposed to work, but Meltdown is different from the original.
It has different music, different styled levels, different characters, and less levels.
What I don't get is that, you unlock a character and color in Meltdown and it meltdown game ios for the locked colors that you can only get them in the full version.
When I go to Geometry Dash, all of the characters are different and so are the colors.
So the locked meltdown game ios are basically saying, "You'll never unlock us.
It may surprise you.
The reason why this game is more fun is because 1: The awesome F-777 music, and 2: The levels aren't TOO challenging, and if you're experienced with the meltdown game ios game, they meltdown game ios be pretty easy, which makes it a better warm up than some of the so called "warm up levels" in the first game which are included in the lite version, for example: Stereo Madness and Back On Track take forever to beat, on your first time playing, a warm up level should be easier like The Seven Seas in this game, it's much less hard and annoying, plus, the music in the first game for the first two levels is catchy, but, boring if you're meltdown game ios playing the levels, unlike, the songs in this game, which are epic, and make you head bang!
However, that doesn't make the levels impossible to lose, it takes a few attempts, especially if you're trying to get the coins!
And this game tends to behave like a demo rather than a full game, I'm aware that this is an early version, but, this go here should've been released fully and've been able to keep updating, and with that, comes the ads!
I mean is it really so hard to remove those?
And that would of course make you want to get the full version right?
Well if you try it, it takes you to the full version of the first game!!!!
I really like this game.
It feels very much like Geometry Dash.
It's pretty obvious that all three levels in this game got inspiration from the first three levels in Geometry Dash not Meltdown.
I really like how meltdown game ios includes aspects from 2.
However, it's a game made mainly for people who don't have the full version of Geometry Dash.
If you have the full version, you'll know what I mean.
You can't unlock all of the icons on Meltdown even if you have the full version, and you can't transfer the Meltdown exclusive levels or icons to meltdown game ios full version.
And I'm not a big fan of getting an ad for a game it shows ads of the full version I already have every five deaths.
I wish RobTop would make so in the next update onwards, if you have the full version of Geometry Dash, you won't get ads on Meltdown.
All in all, it's a meltdown game ios game with awesome music and great levels, but it doesn't reward you if you have the full version.
Also, the sound and music don't seem to work.
I expect the sound to be fixed in the next update.

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Geometry Dash Meltdown. On December 16, 2015, RobTop announced a spin-off game called Geometry Dash Meltdown, which was released on December 19, 2015 for iOS and Android. Currently (as of update 1.0) it includes 3 levels (featuring the songs of F-777) with new icons from version 2.1 made to showcase the 2.0 features to those who do not own the.


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The trouble is that the article you linked, and every news article I've been able to find, only mentions iOS 11.2. Many of us have older devices that can't run iOS 11. So it seems we have everything to worry about.


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Meltdown is an action puzzle game where you are tasked with creating a network of pipes to safely divert dangerous nuclear waste. You must rely on.


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Both could theoretically be used to read information from a computer's memory, including private information like passwords, photos, messages, and more.
Apple has apparently already started patching Meltdown in macOS.
Here's what you need to know.
January 22, 2018: Apple's Mac not affected by Intel's issues with Spectre microcode patches Intel has identified an issue that affected Broadwell and Haswell processors that had been updated with Intel's microcode patches to mitigate against the Spectre exploit.
Apple didn't rush to apply Intel's microcode patches but, thus far, has provided patches for WebKit and Safari to prevent potential JavaScript-based Spectre exploits instead.
For those interested, or potentially affected through other products, here's what had to say: As we start the week, I want to provide an update on the reboot issues we reported Jan.
We have now identified the root cause for Broadwell and Haswell platforms, and made good progress in developing a solution to address it.
Over the weekend, we began rolling out an early version of the updated solution to industry partners for testing, and we will make a final release available once that testing has been completed.
For the full list of platforms, see the Intel.
We expect to share more details on timing later this week.
I apologize for any disruption this change in guidance may https://gsdonline.ru/ios/game-websites-for-ios-5.html />The security of our products is critical for Intel, our customers and partners, and for me, read more />I assure you we are working around the clock to ensure we are addressing these issues.
I will keep you updated as we learn more and thank you for your patience.
January 15, 2018: No, iOS 11.
A strange story began gaining traction over the weekend.
It was based on a set of comparative CPU benchmarks for an iPhone before and after the iOS https://gsdonline.ru/ios/iron-man-3-ios-game-hack-no-jailbreak.html />And the blame for the slowdown was placed squarely on iOS 11.
Which should have set off alarm bells for anyone covering the story because iOS 11.
From : iOS 11.
So, the affects of any Spectre mitigations wouldn't manifest in direct CPU benchmarks at all.
John Poole, the developer of the Geekbench benchmark tool, has the answer: Regarding the "story" of iOS 11.
Spoiler: Looks like bad testing coupled with careless reporting.
It's natural for people to be confused and unfortunately typical for publishers to rush for headlines.
But we owe it to ourselves and our audiences, be they social or traditional, to take a breath, take our time, and get this stuff right.
January 8, 2018: Apple today pushed out iOS 11.
These add the first in what may be a series of updates to help protect the Safari web browser from Spectre-based attacks.
From : Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation Description: iOS 11.
Available for: macOS High Sierra 10.
There were also updates for Safari 11.
Following the updates, WebKit, the open-source engine behind Safari, has shared what Meltdown and Spectre mean for its technology stack.
From : To initiate meltdown game ios Spectre- or Meltdown-based attack, the attacker must be able to run code on the victim's processor.
WebKit please click for source affected because in order to render modern web sites, any web JavaScript engine must allow untrusted JavaScript code to run on the user's processor.
Spectre impacts WebKit directly.
Meltdown impacts WebKit because WebKit's security properties must first be bypassed via Spectre before WebKit can be used to mount a Meltdown attack.
Spectre means that an attacker can control branches, so branches alone are no longer adequate for enforcing security properties.
Not all CPUs are affected by Meltdown and Meltdown is being mitigated by operating system changes.
Mounting a Meltdown attack via JavaScript running in WebKit requires first bypassing branch-based security checks, like in the case of a Spectre attack.
Therefore, Spectre mitigations that fix the branch problem also prevent an attacker from using WebKit as the starting point for Meltdown.
This document explains how Spectre and Meltdown affect existing WebKit security mechanisms and what short-term and long-term fixes WebKit is deploying to provide protection against this new class of attacks.
This reuses the 10.
The version number should be either 13604.
This reuses the 11.
Patched versions are 11604.
Again, these are just the first in what may be a series of WebKit and Safari-based updates to protect against Spectre-based exploits.
Today, Apple updated again to remove Sierra and El Capitan.
So, only macOS High Sierra has been patched against Meltdown game ios to date.
Hopefully, patches for Sierra and El Capitan will be pushed asap.
January 4, 2018: Apple and Intel update on Meltdown and Spectre Apple has posted a knowledge base article detailing both the updates the company has already pushed out to address Meltdown on macOS, iOS, and tvOS watchOS is not affectedand its plans to push further updates to protect Safari from Spectre.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is meltdown game ios affected by Meltdown.
In the coming days we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
According toMeltdown was patched for macOS High Sierra 10.
Update: Apple has updated the support page to correct the previous version and reflect that only macOS High Sierra has currently been patched.
Hopefully, we'll still see the updates for Sierra and El Capitan soon as well.
In terms of what, if any performance hits the updates may cause, the news is good: Our testing with public benchmarks has shown that the changes in the December 2017 updates resulted in no measurable reduction in the performance of macOS and iOS as measured by the GeekBench 4 benchmark, or in common Web browsing benchmarks such as Speedometer, JetStream, and ARES-6.
Our current testing indicates that the upcoming Safari mitigations will have no measurable impact on the Speedometer and ARES-6 tests and an impact of less than 2.
Intel has developed and is rapidly issuing updates for all types of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
Let's hope Intel is using it out of confidence and not bravado.
Why is this all so confusing?
We're dealing with a couple of exploits across several flaws.
Chipset vendors like Intel, AMD, and ARM, and platform-makers including Apple, Microsoft, and the Linux Foundation, were apparently working under a mutually agreed-upon embargo originally set to drop the week of January 8, 2018.
Updates made to Linux, however, were spotted and eventually picked up by the week of January 1, 2018.
A full week early.
A fundamental design flaw in Intel's processor chips has forced a significant redesign meltdown game ios the Linux and Windows kernels to defang the chip-level security bug.
Programmers are scrambling to overhaul the open-source Linux kernel's virtual memory system.
Meanwhile, Microsoft is expected to publicly introduce the necessary changes to its Windows operating system in an upcoming Think, free multiplayer ios games assured Tuesday: these changes were seeded to beta testers running fast-ring Windows Insider builds in November and December.
Crucially, these updates to both Linux and Windows will incur a performance hit on Intel products.
The effects are still being benchmarked, however we're looking at a ballpark figure of five to 30 per cent slow down, depending on the task and the processor model.
More recent Intel chips have features — such as PCID — to reduce the performance hit.
Your mileage may vary.
Because it contained only partial information it led to a lot of uncertainty and speculation.
So, what are Meltdown and Spectre exactly?
From : Last year, Google's Project Zero team discovered serious security flaws caused by "speculative execution," a technique used by most modern processors CPUs to optimize performance.
The Project Zero researcher, Jann Horn, demonstrated that malicious actors could take advantage of speculative execution to read system memory that should have been inaccessible.
For example, an unauthorized party may read sensitive information in the system's memory such as passwords, encryption keys, or sensitive information open in applications.
Testing also showed that an attack running on one virtual machine was able to access the physical memory of the host machine, and through that, gain read-access to the memory of a different virtual machine on the same host.
These vulnerabilities affect many CPUs, including those from AMD, ARM, and Intel, as well as the devices and operating systems running them.
We have discovered that CPU data cache timing can be abused to efficiently leak information out of mis-speculated execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts.
Variants of this issue are known to affect many modern processors, including certain processors by Intel, AMD and ARM.
For a few Intel and AMD CPU models, we have exploits that work against real software.
Meltdown likely affects every Intel chipset that implements out-of-order execution.
That includes the x86 and x64 chips found in most personal computers and many servers going back to 1995.
It also includes Itanium and Atom chips going back to 2013.
The early focus on Intel in the media likely prompted the company to get its statement out first, ahead of everyone else: Intel and other technology companies have been ios multiplayer wifi aware of new security research describing software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from computing devices that are operating as designed.
Intel believes these exploits do not have the potential to corrupt, modify or delete data.
Recent reports that these exploits are caused by a "bug" or a "flaw" and are unique to Intel products are incorrect.
Based on the analysis to date, many types of computing devices — with many different vendors' processors and operating systems — are susceptible to these exploits.
Intel is committed to product and customer security and is working closely with many other technology companies, including AMD, ARM Holdings and several operating system vendors, to develop an industry-wide approach to resolve this issue promptly and constructively.
Intel has begun providing software and firmware updates to mitigate these exploits.
Contrary to some reports, any performance impacts are workload-dependent, and, for the average computer user, should not be significant and will be mitigated over time.
Intel is committed to the industry best practice of responsible disclosure of potential security issues, which is why Intel and other vendors had planned to disclose this issue next week when more software and firmware updates will be available.
However, Intel is making this statement today because of the current inaccurate media reports.
Check with your operating system vendor or system manufacturer and apply any available updates as soon as they are available.
Following good security practices that protect against malware in general will also help protect against possible exploitation until updates can be applied.
Intel believes its products are the most secure in the world and that, with the support of its partners, the current solutions to this issue provide the best possible security for its customers.
Because the phrasing wasn't specific as to which exploit affected which vendor, it added to some of the confusion.
Intel has since issued a new statement, claiming that patches have rendered its processors "immune" to Meltdown and Spectre.
From : Intel has developed and is rapidly issuing updates for all meltdown game ios of Intel-based computer systems — including personal computers and servers — that render those systems immune from both exploits referred to as "Spectre" and "Meltdown" reported by Google Project Zero.
Intel and its partners have made significant progress in deploying updates as both software patches and firmware updates.
That's an incredibly bold statement.
Hopefully, Intel was completely certain before issuing it.
The Mac uses Intel processors — how is the Mac affected by Meltdown and Spectre?
That means every modern Mac is affected by Meltdown and Spectre.
The good news is that Apple patched against Meltdown back in December of 2017.
From : Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre.
These issues apply to all modern processors and affect nearly all computing devices and operating systems.
All Mac systems and iOS devices are affected, but there are no known exploits impacting customers at this time.
Since exploiting many of these issues requires a malicious app to be loaded on your Mac or iOS device, we recommend downloading software only from trusted sources such as the App Store.
Apple has already released mitigations in iOS 11.
Apple Watch is not affected meltdown game ios Meltdown.
In the coming meltdown game ios we plan to release mitigations in Safari to help defend against Spectre.
We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
How is Meltdown being patched?
Because Meltdown can't be patched in hardware, operating system makers are patching it in software.
The patches are variations of KAISER — kernel address isolation to have side-channels efficiently removed.
From : Whereas current systems have a single set of page tables for each process, KAISER implements two.
One set is essentially unchanged; it includes both kernel-space and user-space addresses, but it is only used when the system is running in kernel mode.
The second "shadow" page table contains a copy of all of the user-space mappings, but leaves out the kernel side.
Instead, there is a minimal set of kernel-space mappings that provides the information needed to handle system calls and interrupts, but no more.
Copying the page tables may sound inefficient, but the copying only happens at the top level of the page-table hierarchy, so the bulk of that data is shared between the two copies.
Basically, instead of letting everything mingle together for speed, KAISER separates it out for security.
So, the patch is what causes a performance hit?
From the same explanation on : KAISER will affect performance for anything that does system calls or interrupts: everything.
Just the new instructions CR3 manipulation add a few hundred cycles to a syscall or interrupt.
Most workloads that we have run show single-digit regressions.
The worst we have seen is a roughly 30% regression on a loopback networking test that did a ton of syscalls and context switches.
something games like magicka for ios you AMD affected as well — reports seem to disagree?
AMD doesn't appear to be affected by Meltdown but does seem to be affected by Spectre, which has caused some confusion.
AMD also seems to think Spectre isn't a real-world risk.
Anbefore the embargo lifted, claimed AMD best play superhero games ios affected.
AMD processors are not subject to the types of attacks that the kernel page table isolation feature protects against.
The AMD microarchitecture does not allow memory references, including speculative references, that access higher privileged data when running in a lesser privileged mode when that access would result in a page fault.
Apple currently doesn't use CPUs made by AMD in any of its products, only GPUs, so, regardless of how this part shakes out, it won't have any affect on Mac users.
Apple uses ARM chips in iPhone, iPad, and Apple TV, right?
Apple originally licensed ARM designs.
Starting with iPhone 5s, Apple switched to licensing the ARM v8 instruction set so the company could make its own, custom designs.
Unlike AMD, it looks like ARM might be affected by both Meltdown and Spectre.
Ryan Smith, writing for : The immediate concern is an exploit being called Meltdown, which primarily affects Intel's CPUs, but also has been confirmed to affect some ARM CPU designs as well.
With Meltdown it is possible for malicious code to abuse Intel and ARM's speculative execution implementations to get the processor to leak information from other processes — particularly the all-knowing operating system kernel.
As a result, Meltdown can be readily used to spy on other processes and sneak out information that should be restricted to the kernel, other programs, or other virtual machines.
Based on the recent research findings from Google on the potential new cache timing side-channels exploiting processor speculation, here is the latest information on possible Arm processors impacted and their potential mitigations.
We will post any new research findings here as needed.
Cache timing side-channels are a well-understood concept in the area of security research and therefore not a new finding.
However, this side-channel mechanism could enable someone to potentially extract some information that otherwise would not be accessible to software from processors that are performing as designed and not based on a flaw or bug.
This is the issue addressed here and in the Cache Speculation Side-channels whitepaper.
It is important to note that this method is dependent on malware running locally which means it's imperative for users to practice good security hygiene by keeping their software up-to-date and avoid suspicious links or downloads.
The majority of Arm processors are not impacted by any variation of this side-channel speculation mechanism.
A definitive list of the small subset of Arm-designed processors that are susceptible can be found below.
Apple has since put out a technical note on the status of ARM-based vulnerabilities and software patches.
From : Apple has already released mitigations in iOS 11.
Apple Watch is not affected by Meltdown.
Analysis of these techniques revealed that while they are extremely difficult to exploit, even by an app running locally on a Mac or iOS device, they can be potentially exploited in JavaScript running in a web browser.
Apple will release an update for Safari on macOS and iOS in the coming days to mitigate these exploit techniques.
No word yet on what, if any, updates might be made available for previous versions of iOS, and tvOS.
Which versions of iOS and tvOS are patched against Meltdown and Spectre?
Current versions of iOS and tvOS patch against Meltdown.
Patches for Safari to mitigate against Spectre are still forthcoming.
Apple Watch isn't affected by Meltdown or Spectre?
Apple Watch was designed to run under extremely power sensitive conditions and, as such, the S-series system-in-package inside it doesn't use the type of speculative execution architecture vulnerable to Meltdown.
Apple Watch also doesn't have any front facing web browser capability, so there's no risk from Spectre-based JavaScript attacks targeting browsers.
How can you protect against Meltdown-based attacks?
For home users on Intel-based computers, including Macs, Meltdown can only be exploited by code running on your machine.
That means someone first needs to have physical access to your computer or has to trick you into installing malware through phishing or some other form of social engineering attack.
The patches being issued by Apple and other platform-makers should mitigate even that risk over time.
How can you protect against Spectre-based attacks?
Spectre affects a wider range of devices, could well be much harder to mitigate, but also seems to be much harder to exploit.
Details are still emerging, though.
So, we'll have to wait and see.
Is it time to panic and burn it all down?
For now, stay informed and stay updated.
As the patches come out both now and in the future, download and install them.
No code or architecture meltdown game ios perfect.
There will always be bugs.
There will always be flaws.
Some of them will seem gobsmackingly stupid.
What matters is how quickly and well vendors respond to them.
In this case, it looks like everyone is responding as quickly as possible for as many customers as possible.
More as it develops.
Originally published on January 3, 2018.
Last updated January 5, 2018.
Rene Ritchie Rene Ritchie has been covering the personal technology industry for a decade.
An outspoken analyst and critic, he writes atpodcasts atand you can find his show at.
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