iDefense Security Advisory 11.14.07 – Local exploitation of a heap based buffer overflow in Apple Inc.’s OS X may allow an attacker to execute arbitrary code in kernel context. The vulnerability exists within a function responsible for allocating an mbuf. mbufs are a BSD concept, long used by BSD kernels to allocate buffers for storing network related data. iDefense has confirmed the existence of this vulnerability in Mac OS X 10.4.10, Workstation and Server editions. Previous versions may also be affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60934/11.14.07-3.txt
Source: https://packetstormsecurity.com/files/60934/iDEFENSE-Security-Advisory-2007-11-14.3.html