Ubuntu Security Notice USN-2069-1
http://packetstormsecurity.com/files/124634/USN-2069-1.txt
Ubuntu Security Notice 2069-1 - Hannes Frederic Sowa discovered a flaw in the Linux kernel's UDP Fragmentation Offload (UFO). An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or possibly gain administrative privileges. Multiple integer overflow flaws were discovered in the Alchemy LCD frame- buffer drivers in the Linux kernel. An unprivileged local user could exploit this flaw to gain administrative privileges. Various other issues were also addressed.