CVE-2026-53397: nfsd: fix posix_acl leak on SETACL decode failure

Overview

Severity

Medium (CVSS 6.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-20

Last Updated

2026-08-14

EPSS Score

0.53% (percentile: 42.7%)

Affected Products (1)

Other

• 21474-17084

Revision History

• 2026-07-20: Information published.
• 2026-07-20: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.