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fedoraFedoraFEDORA:8577820C19F5
HistoryMay 27, 2023 - 1:20 a.m.

[SECURITY] Fedora 38 Update: microcode_ctl-2.1-55.fc38

2023-05-2701:20:05
lists.fedoraproject.org
12
fedora 38
microcode update
volatile

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

0.0004 Low

EPSS

Percentile

9.2%

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
Fedora38anymicrocode_ctl< 2.1UNKNOWN

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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

0.0004 Low

EPSS

Percentile

9.2%

JSON
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