Digital Armaments Pre-Advisory – A vulnerability exists in expand_stack() of the grsecurity patch. This vulnerability is only locally exploitable.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53623/pre2007-00018659.txt
Source: https://packetstormsecurity.com/files/53623/pre2007-00018659.txt.html