========================================================================== Ubuntu Security Notice USN-1336-1 January 23, 2012 linux vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 Summary: The system could be made to run programs as an administrator. Software Description: - linux: Linux kernel Details: Jüri Aedla discovered that the kernel incorrectly handled /proc//mem permissions. A local attacker could exploit this and gain root privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: linux-image-3.0.0-15-generic 3.0.0-15.26 linux-image-3.0.0-15-generic-pae 3.0.0-15.26 linux-image-3.0.0-15-omap 3.0.0-15.26 linux-image-3.0.0-15-powerpc 3.0.0-15.26 linux-image-3.0.0-15-powerpc-smp 3.0.0-15.26 linux-image-3.0.0-15-powerpc64-smp 3.0.0-15.26 linux-image-3.0.0-15-server 3.0.0-15.26 linux-image-3.0.0-15-virtual 3.0.0-15.26 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1336-1 CVE-2012-0056 Package Information: https://launchpad.net/ubuntu/+source/linux/3.0.0-15.26