Secunia Security Advisory – Gentoo has issued an update for kdm. This fixes a security issue, which can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60133/sa27180.txt
Source: https://packetstormsecurity.com/files/60133/Secunia-Security-Advisory-27180.html