Fedora 27: FEDORA-2018-7e17849364 Critical: Microcode_ctl Spectre Fix

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 to upstream 2.1-15. 20180108. Includes fix for Spectre.

su -c 'dnf upgrade microcode_ctl' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

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