procfs in FreeBSD and possibly other operating systems allows local users to bypass access control restrictions for a jail environment and gain additional privileges.Referenceshttp://www.osvdb.org/1691http://www.securityfocus.com/bid/2132ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:77.procfs.v1.1.aschttps://exchange.xforce.ibmcloud.com/vulnerabilities/6108
