This issue was addressed with improved redaction of sensitive information. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. An app may be able to disclose kernel memory.
https://support.apple.com/en-us/HT213764
https://support.apple.com/en-us/HT213761