CyberICT

CVE-2026-64437

Microsoft · Published July 27, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

ksmbd: fix use-after-free of a deferred file_lock on SMB2_CLOSE then SMB2_CANCEL. ksmbd: fix use-after-free of a deferred file_lock on SMB2_CLOSE then SMB2_CANCEL

Affected Products

  • azl3 kernel 6.6.144.1-1 on Azure Linux 3.0

CVSS Vector

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