A race condition was addressed with additional validation. This issue is fixed in iPadOS 17.7.3, watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, iOS 18.2 and iPadOS 18.2, macOS Ventura 13.7.2, macOS Sonoma 14.7.2. An attacker may be able to create a read-only memory mapping that can be written to.