A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-03-22T07:17:34

Updated: 2024-08-03T21:55:12.125Z

Reserved: 2021-03-22T00:00:00

Link: CVE-2021-28964

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-22T09:15:13.517

Modified: 2023-11-07T03:32:25.077

Link: CVE-2021-28964

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-03-16T00:00:00Z

Links: CVE-2021-28964 - Bugzilla