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fedoraFedoraFEDORA:C544320BB230
HistoryAug 18, 2023 - 12:42 a.m.

[SECURITY] Fedora 37 Update: microcode_ctl-2.1-53.2.fc37

2023-08-1800:42:26
lists.fedoraproject.org
15
microcode_ctl
tigran aivazian
volatile update
system boot
cpu
unix

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

47.8%

JSON

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

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Privileges Required

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Scope

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Integrity Impact

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0.001 Low

EPSS

Percentile

47.8%

JSON
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