Arbitrary read and write to kernel addresses by temporarily overwriting ring buffer pointer and creating a race condition. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
https://www.qualcomm.com/company/product-security/bulletins/december-2020-security-bulletin
https://www.qualcomm.com/company/product-security/bulletins/december-2020-bulletin