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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-02-18T17:50:44

Updated: 2024-08-03T17:37:23.681Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20321

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-02-18T18:15:08.947

Modified: 2023-11-07T03:29:05.613

Link: CVE-2021-20321

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-10-11T09:00:00Z

Links: CVE-2021-20321 - Bugzilla