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A microcode program that is executed by the processor during the microcode update process. [1] This microcode is able to reconfigure and enable or disable components using a special register, and it must update the breakpoint match registers. [1] Up to sixty patched micro-operations to be populated into the SRAM. [1] Padding consisting of ...
[33] [34] The issue was initially attributed to Nvidia GeForce graphics drivers; however, in a driver update published on April 13, 2024, Nvidia acknowledged the instability problem as being associated with the Intel 13th/14th generation CPUs, and that owners of them should contact Intel customer support for further assistance. [35]
In response to the research, Intel released microcode updates to mitigate the issue. The updated microcode ensures that off-core accesses are delayed until sensitive operations – specifically the RDRAND , RDSEED , and EGETKEY instructions – are completed and the staging buffer has been overwritten. [ 21 ]
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]
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]
Intel Transactional Synchronization Extensions (TSX) for the Haswell-EX variant. In August 2014 Intel announced that a bug exists in the TSX implementation on the current steppings of Haswell, Haswell-E, Haswell-EP and early Broadwell CPUs, which resulted in disabling the TSX feature on affected CPUs via a microcode update. [33] [34] [35] [36]
An iterative refresh of Raptor Lake-S desktop processors, called the 14th generation of Intel Core, was launched on October 17, 2023. [1] [2] CPUs in bold below feature ECC memory support when paired with a motherboard based on the W680 chipset according to each respective Intel Ark product page.
In support of this restriction, Intel provides chipset drivers for Windows 10 only, although VirtualBox provides drivers for other versions. [36] [37] [38] An enthusiast-created modification was released that disabled the Windows Update check and allowed Windows 8.1 and earlier to continue to be updated on Skylake and later platforms. [39]