In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile MDM9625, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 820, and SD 820A, no address argument validation is performed on calls to the qsee_prng_getdata syscall.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9615, MDM9625, MDM9635M, SD 400, SD 410/12, SD 615/16/SD 415, SD 800, SD 808, and SD 810, in ADSP's QDI Root-PD driver, untrusted arguments from User PD may cause integer overflow resulting in buffer overflow.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9625, MDM9635M, MDM9640, MDM9645, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 615/16/SD 415, SD 800, SD 808, and SD 810, the device may crash while accessing an invalid pointer or expose otherwise inaccessible memory contents.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile and Snapdragon Wear MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 615/16/SD 415, and SD 810, possible null pointer dereference occurs due to failure of memory allocation when a large value is passed for buffer allocation in the Playready App.