FreeBSD Security Advisory FreeBSD-SA-05:08 – In many parts of the FreeBSD kernel, names (of mount points, devices, files, etc.) are manipulated as NULL-terminated strings, but are provided to applications within fixed-length buffers.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39102/FreeBSD-SA-05-08.kmem.txt
Source: https://packetstormsecurity.com/files/39102/FreeBSD-SA-05-08.kmem.txt.html