ZDI-26-684
CRITICAL 9.0
Published
Sep 14, 2026
Linux Kernel KSMBD Query Directory Request Race Condition Remote Code Execution Vulnerability
Linux
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel KSMBD. Authentication is not required to exploit this vulnerability. Furthermore, only systems with KSMBD enabled are vulnerable. The ZDI has assigned a CVSS rating of 9.0.