vulnerability

Alma Linux: CVE-2021-20321: Moderate: kernel security and bug fix update (ALSA-2021-5227)

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Feb 18, 2022
Added
May 4, 2022
Modified
Mar 31, 2026

Description

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

Solution

alma-upgrade-kernel-tools-libs-devel
Title
Rapid7 Labs

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