USN-1961-1: systemd vulnerability

18 September 2013

systemd vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 13.04


systemd could be tricked into bypassing polkit authorizations.

Software Description

  • systemd - system and service manager


It was discovered that systemd was using polkit in an unsafe manner. A local attacker could possibly use this issue to bypass intended polkit authorizations.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 13.04
systemd-services - 198-0ubuntu11.2

To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make all the necessary changes.