kmxIds.sys before 7.3.1.18 in CA Host-Based Intrusion Prevention System (HIPS) 8.1 allows remote attackers to cause a denial of service (system crash) via a malformed packet.
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=214665
http://www.securityfocus.com/archive/1/505881/100/0/threaded