Code injection

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the 1 IOCTLRDMSR 0x9C402438 and 2 IOCTLWRMSR 0x9C40243C IOCTLs to \Device\speedfan, as...