Posted by Ian Beer, Google Project Zero NOTE: This issue was CVE-2021-30983 was fixed in iOS 15.2 in December 2021. Towards the ...| googleprojectzero.blogspot.com
Background Vulnerability Experimentation Arbitrary physical mapping Dynamically finding our mapping base Finding the kernel base A10(X) A11 Non-KTRR devices Virtual kernel read/write Page table panic Brandon Azad’s method PV head table (again) IOSurface kernel read/write Bonus: tfp0 arm64e Remaining versions Conclusion| Alfie CG
TrustZone technology within Cortex-M based application processors is commonly used to run trusted boot and a trusted OS to create a Trusted Execution Environment (TEE).| Arm | The Architecture for the Digital World