In Android prior to 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile MDM9625, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 810, SD 820, and SD 820A, in a QTEE syscall handler, an untrusted pointer dereference can occur. In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile MDM9640, MDM9645, MDM9650, MDM9655, SD 450, SD 625, SD 650/52, SD 810, SD 820, SD 835, while processing the IPv6 pdp address of the pdp context, a buffer overflow can occur. Missing validation check on CRL issuer name in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU, SD 410/12, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 810, SD 820, SD 820A.