In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile Snapdragon Mobile and Snapdragon Wear MDM9206 MDM9607 MDM9635M MDM9640 MDM9645 MDM9650 MDM9655 MSM8909W SD 210/SD 212/SD 205 SD 425 SD 430 SD 450 SD 617 SD 625 SD 650/52 SD 808 SD 810 SD 820 SD 820A SD 835 SD 845 SD 850 and SDX20 NPA routines on the rootPD that handle resource requests remoted over QDI may not validate pointers passed from user space which may result in guest OS memory corruption.