CVE-2026-53043: ocfs2/dlm: validate qr_numregions in dlm_match_regions()

Overview

Severity

Critical (CVSS 9.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-27

Last Updated

2026-07-03

EPSS Score

0.73% (percentile: 52.6%)

Affected Products (1)

Other

• 21344-17084

Revision History

• 2026-06-27: Information published.
• 2026-07-03: Information published.