Improper authorization in DSP process could allow unauthorized users to downgrade the library versions in SD820, SD821, SD820, QCS603, QCS605, SDA855, SA6155P, SA6145P, SA6155, SA6155P, SD855, SD 675, SD660, SD429, SD439Referenceshttps://www.qualcomm.com/company/product-security/bulletins/november-2020-bulletinhttps://blog.checkpoint.com/2020/08/06/achilles-small-chip-big-peril/https://research.checkpoint.com/2021/pwn2own-qualcomm-dsp/
