ZDI-23-1009: Canonical Ubuntu OverlayFS File System Missing Authorization 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 authorization canonical code escalation exploit file file system local local privilege escalation low missing order overlayfs privilege privileged privilege escalation privileges system target ubuntu vulnerability zdi