CVE-2026-53000: netfilter: nat: use kfree_rcu to release ops

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

2026-09-24

EPSS Score

0.19% (percentile: 7.8%)

Affected Products (5)

Other

• 21580-17084
• 21932-17084
• 21474-17084
• 21684-17084
• 21892-17084

Security Updates (1)

• Security Update

Revision History

• 2026-06-27: Information published.
• 2026-06-28: Information published.
• 2026-06-30: Information published.
• 2026-07-12: Information published.
• 2026-08-13: Information published.
• 2026-09-18: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.