A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4, watchOS 8.6, tvOS 15.5, macOS Big Sur 11.6.6. An application may be able to execute arbitrary code with kernel privileges.
Apple Releases Security Patches for all Devices Fixing Dozens of New Vulnerabilities
About the security content of tvOS 15.5
macOS 12.x < 12.4 (HT213257)