lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor confinement via a symlink attack on a (1) mount target or (2) bind mount source.
https://lists.linuxcontainers.org/pipermail/lxc-devel/2015-September/012434.html
https://github.com/lxc/lxc/commit/592fd47a6245508b79fe6ac819fe6d3b2c1289be
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1476662
http://www.ubuntu.com/usn/USN-2753-1
http://www.securityfocus.com/bid/76894
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.openwall.com/lists/oss-security/2015/09/29/4
http://www.debian.org/security/2015/dsa-3400
http://lists.opensuse.org/opensuse-updates/2015-10/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171364.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171358.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170045.html