Name : Samba Internal Data Structures DOS Vulnerability Exploit
Link : http://securitydot.net/xpl/exploits/vulnerabilities/articles/1175/exploit.html 
Date :  2006-07-21
Vulnerability :
http://securitydot.net/vuln/exploits/vulnerabilities/articles/18014/vuln.html 
PATCH : http://us4.samba.org/samba/ftp/patches/security/samba-3.0-CAN-2006-3403.patch 
It might not work on some systems.
Enjoy
-- 
Best Regards,
Aleksander Hristov < root at securitydot.net > < http://securitydot.net >