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fedoraFedoraFEDORA:9E4E12012DDD
HistoryMay 30, 2023 - 1:08 a.m.

[SECURITY] Fedora 37 Update: microcode_ctl-2.1-53.1.fc37

2023-05-3001:08:07
lists.fedoraproject.org
18
fedora 37
microcode utility
system boot
cpu
update

CVSS3

7.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L

EPSS

0

Percentile

13.2%

The microcode_ctl utility is a companion to the microcode driver written by Tigran Aivazian <tigran(a)aivazian.fsnet.co.uk>. 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.

OSVersionArchitecturePackageVersionFilename
Fedora37anymicrocode_ctl< 2.1UNKNOWN

CVSS3

7.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L

EPSS

0

Percentile

13.2%