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  2. Intel microcode - Wikipedia

    en.wikipedia.org/wiki/Intel_Microcode

    Intel distributes microcode updates as a 2,048 (2 kilobyte) binary blob. [1] The update contains information about which processors it is designed for, so that this can be checked against the result of the CPUID instruction. [ 1 ]

  3. Downfall (security vulnerability) - Wikipedia

    en.wikipedia.org/wiki/Downfall_(security...

    Intel promised microcode updates to resolve the vulnerability. [1] The microcode patches have been shown to significantly reduce the performance of some heavily-vectorized loads. [7] Patches to mitigate the effects of the vulnerability have also been created as part of the forthcoming version 6.5 release of the Linux kernel. [8]

  4. Transient execution CPU vulnerability - Wikipedia

    en.wikipedia.org/wiki/Transient_execution_CPU...

    Intel reported that they are preparing new patches to mitigate these flaws. [24] On August 14, 2018, Intel disclosed three additional chip flaws referred to as L1 Terminal Fault (L1TF). They reported that previously released microcode updates, along with new, pre-release microcode updates can be used to mitigate these flaws. [25] [26]

  5. Microcode - Wikipedia

    en.wikipedia.org/wiki/Microcode

    A second prominent example is the set of microcode patches that Intel offered for some of their processor architectures of up to 10 years in age, in a bid to counter the security vulnerabilities discovered in their designs – Spectre and Meltdown – which went public at the start of 2018.

  6. Meltdown (security vulnerability) - Wikipedia

    en.wikipedia.org/wiki/Meltdown_(security...

    Meltdown exploits a race condition, inherent in the design of many modern CPUs.This occurs between memory access and privilege checking during instruction processing. . Additionally, combined with a cache side-channel attack, this vulnerability allows a process to bypass the normal privilege checks that isolate the exploit process from accessing data belonging to the operating system and other ...

  7. Spectre (security vulnerability) - Wikipedia

    en.wikipedia.org/wiki/Spectre_(security...

    Intel postponed their release of microcode updates to 10 July 2018. [ 33 ] [ 32 ] On 21 May 2018, Intel published information on the first two Spectre-NG class side-channel vulnerabilities CVE- 2018-3640 (Rogue System Register Read, Variant 3a) and CVE- 2018-3639 ( Speculative Store Bypass , Variant 4), [ 34 ] [ 35 ] also referred to as Intel ...

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  9. Speculative Store Bypass - Wikipedia

    en.wikipedia.org/wiki/Speculative_Store_Bypass

    Intel is planning to address Variant 4 by releasing a microcode patch that creates a new hardware flag named Speculative Store Bypass Disable (SSBD). [7] [2] [12] A stable microcode patch is yet to be delivered, with Intel suggesting that the patch will be ready "in the coming weeks".