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, when a Trusted Application has opened the SPI interface to a particular device, it is possible for another Trusted Application to read the data on this open interface due to non-exclusive access of the SPI bus.