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Fedora 41: FEDORA-2024-8b65ec8c46 critical: CPU microcode update

fedora
Calendar Grey November 15, 2024
Dist Fedora Esm H88
Upgrade to microcode_ctl in Fedora 41 for improved CPU performance and reliability alongside the latest upstream revisions.
Update to upstream 2.1-46

Summary

The microcode_ctl utility is a companion to the microcode driver written

by Tigran Aivazian .

The microcode update is volatile and needs to be uploaded on each system

boot i.e. it doesn't reflash your cpu permanently, reboot and it reverts

back to the old microcode.

Update Information:

Update to upstream 2.1-46. 20241029 Update of 06-b7-01/0x32 (RPL-S B0) microcode from revision 0x129 up to 0x12b.

Change Log

* Mon Nov 11 2024 Eugene Syromiatnikov 2:2.1-66 - Update to upstream 2.1-46. 20241029 - Update of 06-b7-01/0x32 (RPL-S B0) microcode from revision 0x129 up to 0x12b. - Resolves RHBZ#2324127

References


[ 1 ] Bug #2324127 - 20241029 is available https://bugzilla.redhat.com/show_bug.cgi?id=2324127

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-8b65ec8c46' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
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Name: microcode_ctl
Product: Fedora 41
Version: 2.1
Release: 66.fc41
Summary: Tool to transform and deploy CPU microcode update for x86

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