hcmon.sys in VMware Workstation 6.5.1 and earlier, VMware Player 2.5.1 and earlier, VMware ACE 2.5.1 and earlier, and VMware Server 1.0.x before 1.0.9 build 156507 and 2.0.x before 2.0.1 build 156745 uses the METHOD_NEITHER communication method for IOCTLs, which allows local users to cause a denial of service via a crafted IOCTL request.
https://www.exploit-db.com/exploits/6262
https://exchange.xforce.ibmcloud.com/vulnerabilities/44539
http://www.vupen.com/english/advisories/2009/0944
http://www.vmware.com/security/advisories/VMSA-2009-0005.html
http://www.securitytracker.com/id?1020715
http://www.securityfocus.com/bid/34373
http://www.securityfocus.com/bid/30737
http://www.orange-bat.com/adv/2008/adv.08.17.txt
http://securityreason.com/securityalert/4177
http://seclists.org/fulldisclosure/2009/Apr/0036.html
http://lists.vmware.com/pipermail/security-announce/2009/000054.html