A race condition was addressed with additional validation. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. A user may be able to read arbitrary files as root.
https://support.apple.com/en-us/HT213606
https://support.apple.com/en-us/HT213605