CVE-2026-31718: ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger

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
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-08
EPSS Score
0.06% (percentile: 17.8%)

Affected Products (1)

Open Source Software

  • azl3 kernel 6.6.137.1-2 on Azure Linux 3.0

Revision History

  • 2026-05-08: Information published.