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fedoraFedoraFEDORA:F380C20BD46F
HistoryAug 16, 2023 - 1:22 a.m.

[SECURITY] Fedora 38 Update: microcode_ctl-2.1-55.1.fc38

2023-08-1601:22:33
lists.fedoraproject.org
26
microcode update
system boot
volatile

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

0.001

Percentile

35.3%

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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CVSS3

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Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

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Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

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Availability Impact

LOW

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

EPSS

0.001

Percentile

35.3%

JSON
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