The mremap system call in the Linux kernel memory management code has a critical security vulnerability due to incorrect bounds checking. Proper exploitation of this vulnerability may lead to local privilege escalation including execution of arbitrary code with kernel level access.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/32438/isec-0013-mremap.txt
Source: https://packetstormsecurity.com/files/32438/isec-0013-mremap.txt.html