In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9615, MDM9625, MDM9635M, and SD 810, improper input validation can cause a null pointer dereference in USB bootloader find_ep() function.Referenceshttps://source.android.com/security/bulletin/2018-04-01http://www.securityfocus.com/bid/103671