When a 3rd party TEE has been loaded it is possible for the non-secure world to create a secure monitor call which will give it access to privileged functions meant to only be accessible from the TEE in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear in versions IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9650, MDM9655, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016.
Buffer overwrite can occur when the legacy rates count received from the host is not checked against the maximum number of legacy rates in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA4531, QCA6174A, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, SD 210/SD 212/SD 205, SD 425, SD 600, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDX20.