attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux confinement by mounting a proc filesystem with a crafted (1) AppArmor profile or (2) SELinux label.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1334
Reference (s):
- BID:75998
- URL: http://www.securityfocus.com/bid/75998
- https://github.com/lxc/lxc/commit/5c3fcae78b63ac9dd56e36075903921bd9461f9e
- DEBIAN:DSA-3317
- URL: http://www.debian.org/security/2015/dsa-3317