Secunia Security Advisory – A vulnerability has been reported in fallback-reboot, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36282/sa14328.txt
Source: https://packetstormsecurity.com/files/36282/Secunia-Security-Advisory-14328.html

