description: In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 820, and SD 820A, there is a TOCTOU vulnerability in the input validation for bulletin_board_read syscall. A pointer dereference is being validated without promising the pointer hasn't been changed by the HLOS program.
problem types: Time-of-check Time-of-use (TOCTOU) Race Condition in Core.
affected:
{
product: Snapdragon Automobile, Snapdragon Mobile
vendor: Qualcomm, Inc.
versions:
status: affected, version: SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 820, SD 820A
}