A vulnerability called the DirtyCOW has been disclosed for all Linux systems. The vulnerability is especially problematic for multi-user systems, which allows local-user accounts to gain escalated privileges for the affected system.
This vulnerability has been assigned CVE-2016-5195. We recommend applying the latest patches to your Linux machine. A bulletin has also been created for this: http://bulletins.it.ubc.ca/archives/28072
For more information on this vulnerability, please review the following links: