The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. An app with root privileges may be able to execute arbitrary code with kernel privileges.
https://support.apple.com/en-us/HT213535
https://support.apple.com/en-us/HT213532
https://support.apple.com/en-us/HT213536
https://support.apple.com/en-us/HT213534
https://support.apple.com/en-us/HT213533
https://support.apple.com/en-us/HT213530
http://seclists.org/fulldisclosure/2022/Dec/27
http://seclists.org/fulldisclosure/2022/Dec/26
http://seclists.org/fulldisclosure/2022/Dec/25
http://seclists.org/fulldisclosure/2022/Dec/24