In Android prior to 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9625, MDM9635M, MDM9645, MDM9650, MDM9655, SD 400, SD 800, SD 835, SD 845, SD 850, and SDX20, when QDI read, write, or ioctl are called, the passed-in pointer is not properly validated... There is improper access control of the SSC and GPU mapped regions which lead to inject code from HLOS in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version MDM9206, MDM9607, MDM9650, MSM8996AU, SD 210/SD 212/SD 205, SD 820, SD 820A, SD 835, SDA660.