In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9615 MDM9625 MDM9635M SD 210/SD 212/SD 205 SD 400 SD 410/12 SD 615/16/SD 415 SD 800 SD 808 and SD 810 use after free vulnerability when the PDN throttle info block is freed without clearing the corresponding active timer.