BitDefender Antivirus 2008 20080118 and earlier allows local users to cause a denial of service (system crash) via an invalid pointer to the CLIENT_ID structure in a call to the NtOpenProcess hooked System Service Descriptor Table (SSDT) function.
kb.bitdefender.com/KB419-en--Security-vulnerability-in-BitDefender-2008.html
secunia.com/advisories/30005
securityreason.com/securityalert/3838
securitytracker.com/id?1019943
www.coresecurity.com/?action=item&id=2249
www.securityfocus.com/archive/1/491405/100/0/threaded
www.securityfocus.com/bid/28741
www.vupen.com/english/advisories/2008/1384
exchange.xforce.ibmcloud.com/vulnerabilities/42081