CVE-2026-64396

Microsoft · Published July 26, 2026

5.5

CVSS v3.1

MEDIUM

Patch availableGet patch

Description

ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation. ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation

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:N/I:N/A:H