ZDI-23-694: Linux Kernel ksmbd RCU Callback Race Condition Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to execute arbitrary code on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability.

arbitrary code attackers callback code escalation exploit high kernel ksmbd linux linux kernel local local privilege escalation order privilege privileged privilege escalation race race condition system target vulnerability zdi