The system could be made to crash or run programs as an administrator.
Mathias Krause discovered a bounds checking error for netlink messages requesting SOCK_DIAG_BY_FAMILY. An unprivileged local user could exploit this flaw to crash the system or run programs as an administrator.
27 February 2013
A security issue affects these releases of Ubuntu and its derivatives:
The system could be made to crash or run programs as an administrator.
Mathias Krause discovered a bounds checking error for netlink messages requesting SOCK_DIAG_BY_FAMILY. An unprivileged local user could exploit this flaw to crash the system or run programs as an administrator.
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.