CVE-2008-3531: Improper Restriction of Operations within the Bounds of a Memory Buffer

Stack-based buffer overflow in sys/kern/vfsmount.c in the kernel in FreeBSD 7.0 and 7.1, when vfs.usermount is enabled, allows local users to gain privileges via a crafted 1 mount or 2 nmount system call, related to copying of "user defined data" in "certain error conditions."...