DriverAgent 2.2015.7.14, which includes DrvAgent64.sys 1.0.0.1, allows a user to send an IOCTL (0x80002068) with a user defined buffer size. If the size of the buffer is less than 512 bytes, then the driver will overwrite the next pool header if there is one next to the user buffer's pool.

driveagent

DriverAgent 2.2015.7.14, which includes DrvAgent64.sys 1.0.0.1, allows a user to send an IOCTL (0x800020F4) with a buffer containing user defined content. The driver's subroutine will execute a wrmsr instruction with the user's buffer for partial input.

driveragent