CVE-2026-74583: net/sched: cls_route: fix fastmap use-after-free on filter

Overview

Severity

Medium (CVSS 4.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

Last Updated

2026-08-24

EPSS Score

0.17% (percentile: 5.8%)

Affected Products (1)

Other

• 21684-17084

Revision History

• 2026-08-23: Information published.
• 2026-08-24: Information published.