The Linux kernel suffers from a NULL pointer dereference vulnerability due to incorrect proto_ops initializations. Versions 2.4.4 through 2.4.37.4 and 2.6.0 through 2.6.30.4 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80340/linux-null.txt
Source: https://packetstormsecurity.com/files/80340/Linux-NULL-Pointer-Dereference.html