Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29132
http://www.securityfocus.com/bid/20158
http://www.securityfocus.com/archive/1/446945/100/0/threaded
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=414
http://securitytracker.com/id?1016928
http://securitytracker.com/id?1016926
http://secunia.com/advisories/22064
http://archives.neohapsis.com/archives/bugtraq/2006-09/0376.html