Secunia Security Advisory – A weakness has been reported in gnome-screensaver, which can be exploited by malicious people with physical access to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/86084/sa38468.txt
Source: https://packetstormsecurity.com/files/86084/Secunia-Security-Advisory-38468.html