Debian releases updated intel microcode for cpus coffe lake

The Debian Project has released a new microcode security update for Intel CPU microarchitectures to address issues affecting Xeon processors, and add mitigations for Coffe Lake CPUs.

Debian Releases Updated Intel Microcode for Coffe Lake CPUs

Last month, on November 13, Debian shipped an updated CPU microcode for various types of Intel CPUs to mitigate the TAA (TSX Asynchronous Abort) vulnerability (CVE-2019-11135). But not all Intel CPU models were covered by the update, so they released a new microcode security update that also fixes this flaw for Coffe Lake processors.

Also, the new intel-microcode security update addresses an issue in HEDT and Xeon processors signed 0x50654 that may have caused it to hang on hot reboots by rolling back the CPU microcode. Therefore, users who installed the previous update are urged to update the intel-microcode package as soon as possible and also install the latest update to the Linux kernel.

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In the Debian GNU / Linux 9 “oldstable” “Stretch” distribution, users must update the intel microcode to version 3.20191115.2 ~ deb9u1, and in the latest stable series of Debian GNU / Linux 10 “Buster” they must update the intel microcode to version 3.20191115.2 ~ deb10u1. Please restart your computers after successfully installing the new version of intel-microcode.

For more information on the latest updates, visit this link.

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