FreeBSD <= 6.1 kqueue() NULL pointer Dereference Local Root Exploit

No description provided by source. FreeBSD = 6.1 suffers from classical check/use race condition on SMP systems in kevent syscall, leading to kernel mode NULL pointer dereference. It can be triggered by spawning two threads: 1st thread looping on open and close syscalls, and the 2nd thread loopin...