source: http://www.securityfocus.com/bid/20051/info

Multiple Symantec products are prone to a local denial-of-service vulnerability. This issue occurs when attackers send malformed data to the 'SymEvent' driver.

A local authenticated attacker may exploit this issue to crash affected computers, denying service to legitimate users.

Please see the vulnerable systems section for details regarding affected Symantec products.

http://www.exploit-db.com/sploits/28588.zip