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GLSA-202402-22 : intel-microcode: Multiple Vulnerabilities

medium Nessus Plugin ID 190764

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Description

The remote host is affected by the vulnerability described in GLSA-202402-22 (intel-microcode: Multiple Vulnerabilities)

 - Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to potentially enable a denial of service via local access. (CVE-2021-0127)

 - Hardware allows activation of test or debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access. (CVE-2021-0146)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

All intel-microcode users should upgrade to the latest version:

 # emerge --sync # emerge --ask --oneshot --verbose >=sys-firmware/intel-microcode-20230214_p20230212

See Also

https://security.gentoo.org/glsa/202402-22

https://bugs.gentoo.org/show_bug.cgi?id=832985

https://bugs.gentoo.org/show_bug.cgi?id=894474

Plugin Details

Severity: Medium

ID: 190764

File Name: gentoo_GLSA-202402-22.nasl

Version: 1.0

Type: local

Published: 2/20/2024

Updated: 2/20/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-0146

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:intel-microcode, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2/19/2024

Vulnerability Publication Date: 11/17/2021

Reference Information

CVE: CVE-2021-0127, CVE-2021-0146