While waiting for a response to a callback or listener request, non-secure clients can change permissions to shared memory buffers used by HLOS Invoke Call to secure kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-11298
• https://www.qualcomm.com/company/product-security/bulletins/june-2021-bulletin