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Alma Linux: CVE-2020-29368: Moderate: kernel security, bug fix, and enhancement update (ALSA-2021-4356)

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Alma Linux: CVE-2020-29368: Moderate: kernel security, bug fix, and enhancement update (ALSA-2021-4356)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
11/28/2020
Created
05/05/2022
Added
05/04/2022
Modified
05/13/2022

Description

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

Solution(s)

  • alma-upgrade-kernel-tools-libs-devel

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