The XNU kernel suffers from a use-after-free vulnerability in mach_msg.
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Apple Security Advisory 2021-12-15-6 - watchOS 8.3 addresses buffer overflow, bypass, code execution, integer overflow, out of bounds read, and use-after-free vulnerabilities.
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Apple Security Advisory 2021-12-15-5 - tvOS 15.2 addresses buffer overflow, bypass, code execution, integer overflow, out of bounds read, and use-after-free vulnerabilities.
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Apple Security Advisory 2021-12-15-4 - Security Update 2021-008 Catalina addresses buffer overflow, bypass, code execution, heap corruption, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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Apple Security Advisory 2021-12-15-3 - macOS Big Sur 11.6.2 addresses buffer overflow, bypass, code execution, heap corruption, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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Apple Security Advisory 2021-12-15-2 - macOS Monterey 12.1 addresses buffer overflow, bypass, code execution, heap corruption, integer overflow, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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Apple Security Advisory 2021-12-15-1 - iOS 15.2 and iPadOS 15.2 addresses buffer overflow, bypass, code execution, integer overflow, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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