Но ситуация таки отличается. Вот пример из RHEL 6 beta 2 (примерно та же 12-13 федора):
2.6.32-44.2.el6.x86_64 #1 SMP Wed Jul 21 12:48:32 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux

Executable anonymous mapping             : Killed
Executable bss                           : Killed
Executable data                          : Killed
Executable heap                          : Killed
Executable stack                         : Killed
Executable shared library bss            : Killed
Executable shared library data           : Killed
Executable anonymous mapping (mprotect)  : Vulnerable
Executable bss (mprotect)                : Vulnerable
Executable data (mprotect)               : Vulnerable
Executable heap (mprotect)               : Vulnerable
Executable stack (mprotect)              : Vulnerable
Executable shared library bss (mprotect) : Vulnerable
Executable shared library data (mprotect): Vulnerable
Writable text segments                   : Vulnerable
Anonymous mapping randomisation test     : 28 bits (guessed)
Heap randomisation test (ET_EXEC)        : 14 bits (guessed)
Heap randomisation test (PIE)            : 28 bits (guessed)
Main executable randomisation (ET_EXEC)  : No randomisation
Main executable randomisation (PIE)      : 28 bits (guessed)
Shared library randomisation test        : No randomisation
Stack randomisation test (SEGMEXEC)      : 28 bits (guessed)
Stack randomisation test (PAGEEXEC)      : 28 bits (guessed)
Return to function (strcpy)              : paxtest: return address contains a NULL byte.
Return to function (memcpy)              : Vulnerable
Return to function (strcpy, PIE)         : paxtest: return address contains a NULL byte.
Return to function (memcpy, PIE)         : Vulnerable

SELinux стоит как Permissive (рабочий десктоп). В логах проскакивает ругать, что кое-что из прошедшего должно было быть заблокировано:
type=1400 audit(1284371906.231:27969): avc:  denied  { execheap } for  pid=17696 comm="mprotheap" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=process