ZDI-23-898: (Pwn2Own) Canonical Ubuntu tcindex Double-Free Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Canonical Ubuntu. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

attackers canonical code double-free escalation exploit free local local privilege escalation low order privilege privileged privilege escalation privileges pwn2own system target ubuntu vulnerability zdi