The problem can be corrected by updating your system to the following package versions: Ubuntu 15.04: lxc 1.1.2-0ubuntu3.2 Ubuntu 14.04 LTS: lxc 1.0.7-0ubuntu0.5 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-2753-1
CVE-2015-1335
https://launchpad.net/ubuntu/+source/lxc/1.1.2-0ubuntu3.2 https://launchpad.net/ubuntu/+source/lxc/1.0.7-0ubuntu0.5
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