User keystore signature is ignored in boot and can lead to bypass boot image signature verification in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile in MDM9607, MDM9640, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 845 / SD 850, SDM660