The system could be made to run programs as an administrator.
Jüri Aedla discovered that the kernel incorrectly handled /proc/<pid>/mem permissions. A local attacker could exploit this and gain root privileges.
26 January 2012
A security issue affects these releases of Ubuntu and its derivatives:
The system could be made to run programs as an administrator.
Jüri Aedla discovered that the kernel incorrectly handled /proc/<pid>/mem permissions. A local attacker could exploit this and gain root privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.