CVE-2026-74342: kernfs: link kn to its parent before the LSM init hook

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-09-23

EPSS Score

0.15% (percentile: 5.1%)

Affected Products (1)

Other

• 21892-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-23: Information published.