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fedoraFedoraFEDORA:7A41B3052D8A
HistoryNov 24, 2020 - 2:13 a.m.

[SECURITY] Fedora 31 Update: microcode_ctl-2.1-39.3.fc31

2020-11-2402:13:36
lists.fedoraproject.org
12

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:S/C:P/I:N/A:N

0.0005 Low

EPSS

Percentile

14.9%

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
Fedora31anymicrocode_ctl< 2.1UNKNOWN

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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:S/C:P/I:N/A:N

0.0005 Low

EPSS

Percentile

14.9%

JSON
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