In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile SD 410/12, SD 425, SD 430, SD 450, SD 617, SD 625, SD 650/52, SD 810, SD 820, and SD 820A, a buffer overflow can occur in SafeSwitch.
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 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 800, SD 808, SD 810, SD 820, SD 835, SD 845, SDM630, SDM636, SDM660, and Snapdragon_High_Med_2016, processing erroneous bitstreams may result in a HW freeze. FW should detect the HW freeze based on watchdog timer, but because the watchdog timer is not enabled, an infinite loop occurs, resulting in a device freeze.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9650, SD 210/SD 212/SD 205, SD 410/12, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, and SD 835, while printing debug message of a pointer in wlan_qmi_err_cb, the real kernel address will be printed regardless of the kptr_restrict system settings.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 808, SD 810, SD 820, and SD 835, an integer overflow leading to buffer overflow can occur during a VT call.
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 808, SD 810, SD 820, and SD 835, RTP daemon crashes and terminates VT call when UE receives RTCP unknown APP packet report which caused the parser to miss an end of RTCP packet length and go on forever looking for it, even going beyond the limits of the RTCP Packet length.