Docker Engine before 1.6.1 allows local users to set arbitrary Linux Security Modules (LSM) and docker_t policies via an image that allows volumes to override files in /proc.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-3631
• moby/moby@769acfe...b6a9dc3
• https://groups.google.com/forum/#!searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
• https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
• https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-3631
• http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
• http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
• http://seclists.org/fulldisclosure/2015/May/28