A microcode_ctl security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: microcode_ctl-2.1-39.3.fc31

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Fedora Update Notification
FEDORA-2020-d5941ea479
2020-11-24 02:13:14.749404
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Name : microcode_ctl
Product : Fedora 31
Version : 2.1
Release : 39.3.fc31
URL :   https://pagure.io/microcode_ctl
Summary : Tool to transform and deploy CPU microcode update for x86
Description :
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.

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Update Information:

- Update to upstream 2.1-31. 20201118 - Removal of 06-8c-01/0x80 (TGL-UP3/UP4
B1) microcode at revision 0x68[1]; - Update of 06-7a-01/0x01 (GLK B0)
microcode from revision 0x32 up to 0x34[2]. [1] The microcode has been removed
after reports of system hangs:   https://github.com/intel/Intel-Linux-Processor-
Microcode-Data-Files/issues/44 [2] Addresses CVE-2020-8695 for this platform.
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ChangeLog:

* Fri Nov 20 2020 Eugene Syromiatnikov 2:2.1-39.3
- Update to upstream 2.1-31. 20201118
- Removal of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode at revision 0x68;
- Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x32 up
to 0x34.
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-d5941ea479' 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

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys