Secunia Security Advisory – Gentoo has issued an update for gdm. This fixes a vulnerability, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/59425/sa26879.txt
Source: https://packetstormsecurity.com/files/59425/Secunia-Security-Advisory-26879.html