systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.
| Software | From | Fixed in |
|---|---|---|
| systemd_project / systemd | - | 207.x |
| debian / debian_linux | 7.0 | 7.0.x |
| canonical / ubuntu_linux | 13.04 | 13.04.x |