CVE-2022-21505 Affecting kernel-doc package, versions <0:5.14.0-284.11.1.el9_2


Severity

Recommended
high

Based on Oracle Linux security rating.

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  • Snyk IDSNYK-ORACLE9-KERNELDOC-5536132
  • published20 Jul 2022
  • disclosed24 Dec 2024

Introduced: 20 Jul 2022

CVE-2022-21505  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-doc to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ELSA-2023-2458.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "ima_appraise=log" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

version 3.1