CVE-2006-3626
Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.
Date published : 2006-07-14
http://www.securityfocus.com/bid/18992
http://www.securityfocus.com/archive/1/440300/100/0/threaded