Rising Antivirus 2008 before 20.38.20 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.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42084
http://www.vupen.com/english/advisories/2008/1382
http://www.securityfocus.com/bid/28744
http://www.securityfocus.com/archive/1/491405/100/0/threaded
http://www.coresecurity.com/?action=item&id=2249
http://securitytracker.com/id?1019946