
USN-2870-2: Linux kernel (Trusty HWE) vulnerability
Ubuntu Security Notice USN-2870-2 19th January, 2016 linux-lts-trusty vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary The system could be made to crash or run programs as an administrator. Software description linux-lts-trusty – Linux hardware enablement kernel from Trusty Details Yevgeny Pats discovered that the session keyring implementation in theLinux kernel did not properly reference count when joining an existingsession keyring. A local attacker could use this to cause a denial ofservice (system crash) or possibly execute arbitrary code withadministrative privileges. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: linux-image-3.13.0-76-generic 3.13.0-76.120~precise1 linux-image-3.13.0-76-generic-lpae 3.13.0-76.120~precise1 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 makeall the necessary changes. ATTENTION: Due to [ more… ]