========================================================================== Ubuntu Security Notice USN-3311-2 June 19, 2017 libnl3 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: libnl could be made to run programs as an administrator. Software Description: - libnl3: library for dealing with netlink sockets Details: USN-3311-1 fixed a vulnerability in libnl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libnl incorrectly handled memory when performing certain operations. A local attacker could possibly use this issue to cause libnl to crash, resulting in a denial of service, or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libnl-3-200 3.2.3-2ubuntu2.1 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3311-2 https://www.ubuntu.com/usn/usn-3311-1 CVE-2017-0553