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Re:Linux local privilege escalation 0day, 2.6.37 - 3.8.10 by wwdevries on Tuesday May 14, 2013 @09:15AM (#5704591)
You get this error when you compile the exploit incorrectly.

Compile like this and it works:

  gcc -O2 semtex.c && ./a.out
Re:Linux local privilege escalation 0day, 2.6.37 - 3.8.10 by sagarun on Wednesday May 15, 2013 @01:20AM (#5710303)
Didn't work

[user@host ~]$ uname -a Linux host.company.com 3.8.11-200.fc18.x86_64 #1 SMP Wed May 1 19:44:27 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [user@host ~]$ gcc -O2 semtex.c && ./a.out a.out: semtex.c:51: sheep: Assertion `!close(fd)' failed. Aborted (core dumped)

Re:Linux local privilege escalation 0day, 2.6.37 - 3.8.10 by rei on Thursday May 16, 2013 @02:56AM (#5717298)
Me too, didn't work:

me@myServer:~$ uname -a Linux KALIDHCP 2.6.32-5-amd64 #1 SMP Mon Feb 25 00:26:11 UTC 2013 x86_64 GNU/Linux me@myServer:~$ cat /etc/debian_version 6.0.7 me@myServer:~$ gcc -O2 semtex.c me@myServer:~$ ./a.out a.out: semtex.c:51: sheep: Assertion `!close(fd)' failed. Aborted me@myServer:~$