CVE-2026-64383 | Linux Kernel up to 6.6.144/6.12.95/6.18.38/7.1.3 SMB Client SMB2_flush double free

A vulnerability described as very critical has been identified in Linux Kernel up to 6.6.144/6.12.95/6.18.38/7.1.3. This issue affects the function SMB2_flush of the component SMB Client. The manipulation results in double free.

This vulnerability was named CVE-2026-64383. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is recommended.