Linux kernel 2.6, when using vservers, allows local users to access resources of other vservers via a symlink attack in /proc.Referenceshttp://www.debian.org/security/2008/dsa-1494http://secunia.com/advisories/28875http://www.securityfocus.com/bid/27798https://exchange.xforce.ibmcloud.com/vulnerabilities/40486http://www.securityfocus.com/bid/27704