CVE-2026-53080: net/sched: cls_fw: fix NULL dereference of "old" filters before change()

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-27

Last Updated

2026-06-28

EPSS Score

0.16% (percentile: 4.8%)

Affected Products (1)

Other

• 21443-17084

Revision History

• 2026-06-27: Information published.
• 2026-06-28: Information published.