Since today's update, i can't run nvidia drivers without adding selinux=0 to the kernel parameters. Without this the x server don't start : type=AVC msg=audit(1182029670.355:86): avc: denied { execstack } for pid=2634 comm="Xorg" scontext=system_u:system_r:xdm_xserver_t:s0-s0:c0.c1023 tcontext=system_u:system_r:xdm_xserver_t:s0-s0:c0.c1023 tclass=process type=SYSCALL msg=audit(1182029670.355:86): arch=40000003 syscall=125 success=no exit=-13 a0=bfe12000 a1=1000 a2=1000007 a3=fffff000 items=0 ppid=2633 pid=2634 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=tty7 comm="Xorg" exe="/usr/bin/Xorg" subj=system_u:system_r:xdm_xserver_t:s0-s0:c0.c1023 key=(null)