In K7 AntiVirus 15.1.0306, the driver file (K7FWHlpr.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x8300215F.Referenceshttps://github.com/rubyfly/K7AntiVirus_POC/tree/master/0x8300215F
