FreeBSD Security Advisory FreeBSD-SA-02:08 - A race condition during exec allows local root compromise. A race condition exists in the FreeBSD exec system call implementation. It is possible for a user to attach a debugger to a process while it is exec'ing, but before the kernel has determined that the process is set-user-ID or set-group-ID. All versions of FreeBSD 4.x prior to FreeBSD 4.5-RELEASE are vulnerable to this problem. The problem has been corrected by marking processes that have started.