CVE-2026-64390 | Linux Kernel up to 7.1.3 Ksmbd SMB2_LOCK conn race condition

July 25, 2026 Yanac

A vulnerability marked as very critical has been reported in Linux Kernel up to 7.1.3. This impacts the function SMB2_LOCK of the component Ksmbd. Performing a manipulation of the argument conn results in race condition.

This vulnerability is known as CVE-2026-64390. Remote exploitation of the attack is possible. No exploit is available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More