A race condition was addressed with additional validation. This issue is fixed in macOS Ventura 13.6.8, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, macOS Sonoma 14.6. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
https://support.apple.com/en-us/HT214124
https://support.apple.com/en-us/HT214122
https://support.apple.com/en-us/HT214120
https://support.apple.com/en-us/HT214119
https://support.apple.com/en-us/HT214117
http://seclists.org/fulldisclosure/2024/Jul/22
http://seclists.org/fulldisclosure/2024/Jul/21
http://seclists.org/fulldisclosure/2024/Jul/19