CVE-2021-20321

State: Published
Severity: Not scored
Published: Feb 18, 2022
Updated: Aug 3, 2024
Reserved: Dec 17, 2020

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-362

Affected Products

Product	Versions
kerneln/a	kernel 5.15-rc5Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=2013242
https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/
[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security updatemailing-list
DSA-5096vendor-advisory

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