iOS Kernel - AppleOscarCMA Use-After-Free

Source: https://code.google.com/p/google-security-research/issues/detail?id=605

Panic log attached

OS X advisory: https://support.apple.com/en-us/HT205731
iOS advisory: https://support.apple.com/en-us/HT205732


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39362.zip