10/17/2020 Meltdown Spectre Patch Download
Researchers at Google’s Project Zero set the tech world on its ear by revealing two major vulnerabilities, dubbed Spectre and Meltdown, in processors that could be exploited to steal sensitive information such as passwords, encryption keys, even photos. A malicious program could also exploit the flaws to read data from other programs, such as business documents, email, chat programs and more.
Jan 04, 2018 Download now: Intrusion detection. Microsoft yesterday released the Meltdown and Spectre fixes as part of cumulative update for the Windows 10 Fall. January 2019 Patch. A Clear Guide to Meltdown and Spectre Patches. Get the latest on Meltdown, Spectre, and other security news by subscribing to the Barkly blog. Any January, February, or March updates for Windows 7 / Windows Server 2008 R2 64-bit machines, apply the latest April patch (either the monthly rollup KB4093118 or security-only update KB4088881.
The researchers discovered the vulnerabilities in 2017, but they publicly disclosed them yesterday. The flaws are related to “speculative execution”— a technique used by all modern CPUs. Nearly every processor made since 1995 is vulnerable to Meltdown, and almost every modern system is vulnerable to Spectre. In theory, there have been no known attacks exploiting the vulnerabilities, but it’s not like an agency such as the NSA would tweet: dang, attacks foiled now!
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With the details now in the public domain, bad actors are likely busy working on attacks. There have been a flurry of security advisories issued by Intel, AMD, Android, the Linux Foundation, Microsoft: 1 (servers), 2 (client), 3 (Azure), ARM, Google, Amazon, the Chromium Project, Mozilla, Nvidia, Redhat and Xen. There’s been no official word from Apple yet, but Macs are reportedly affected.
What’s affected by Meltdown and Spectre?
In a nutshell, most modern systems.
Here’s the description of what is affected by Meltdown (pdf):
Desktop, Laptop, and Cloud computers may be affected by Meltdown. More technically, every Intel processor which implements out-of-order execution is potentially affected, which is effectively every processor since 1995 (except Intel Itanium and Intel Atom before 2013). We successfully tested Meltdown on Intel processor generations released as early as 2011. Currently, we have only verified Meltdown on Intel processors. At the moment, it is unclear whether ARM and AMD processors are also affected by Meltdown.
• Add a setting to disable the hash-checking upon startup, so that we can run Android and other mobile OSes on the Zune HD hardware (I personally won't be doing this, but it's something that other people might be interested in) • Let the new Xbox Music service work on it. Zune hd patch download free. Let us see the battery percentage if we want, let us customize the color of the words, change the background, etc. Or add like a customization API so that other people can create apps that let you switch the settings. • Allow customization of everything. Like, just delete all restrictions (or make a setting that allows you to delete all the restrictions) on what can be changed.
Here's the description of what is affected by Spectre (pdf):
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Almost every system is affected by Spectre: Desktops, Laptops, Cloud Servers, as well as Smartphones. More specifically, all modern processors capable of keeping many instructions in flight are potentially vulnerable. In particular, we have verified Spectre on Intel, AMD, and ARM processors.
Meltdown Spectre Microsoft Patch DownloadUS-CERT: Replace CPU
So, what are you supposed to do? The solution, according to US-CERT, is to replace the CPU hardware. It says: “The underlying vulnerability is primarily caused by CPU architecture design choices. Fully removing the vulnerability requires replacing vulnerable CPU hardware.”
Applying software updates was also recommended, as doing so will “mitigate the underlying hardware vulnerability.”
If you didn’t receive the emergency Windows patch, then your antivirus is incompatible
Since replacing the hardware is unlikely on a worldwide scale, the next best option is to patch. If you have Windows, then you should have received the Windows security update yesterday.
If you didn’t receive the out-of-band update released yesterday, then Microsoft blamed it on your antivirus, saying it isn’t compatible with the patch:
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“During our testing process, we uncovered that some third-party applications have been making unsupported calls into Windows kernel memory that cause stop errors (also known as bluescreen errors) to occur.”
These calls may cause stop errors (also known as blue screen errors) that make the device unable to boot. To help prevent stop errors caused by incompatible anti-virus applications, Microsoft is only offering the Windows security updates released on January 3, 2018 to devices running anti-virus software from partners who have confirmed their software is compatible with the January 2018 Windows operating system security update.
Microsoft did not mention which antivirus is or is not compatible, but it did suggest taking advantage of its own Windows Defender or Microsoft Security Essentials. The company warned, “If you have not been offered the security update, you may be running incompatible anti-virus software, and you should follow up with your software vendor.”
Patching will reportedly protect you, but expect a hit to performance.
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