The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10. An app may be able to execute arbitrary code with kernel privileges.
https://support.apple.com/en-us/HT213938
https://support.apple.com/en-us/HT213937
https://support.apple.com/en-us/HT213936
http://seclists.org/fulldisclosure/2023/Oct/9