Unrated severityNVD Advisory· Published Aug 24, 2021· Updated Aug 3, 2024

CVE-2021-30949

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Big Surllm-fuzzy
Range: <11.6.2
Apple Inc./tvOSllm-fuzzy
Range: <15.2
Apple Inc./iOSllm-fuzzy
Range: <15.2
Apple Inc./macOSv5
Range: unspecified
Apple Inc./watchOSv5
Range: unspecified
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

packetstormsecurity.com/files/165670/XNU-Kernel-mach_msg-Use-After-Free.htmlmitrex_refsource_MISC
support.apple.com/en-us/HT212975mitrex_refsource_MISC
support.apple.com/en-us/HT212976mitrex_refsource_MISC
support.apple.com/en-us/HT212978mitrex_refsource_MISC
support.apple.com/en-us/HT212979mitrex_refsource_MISC
support.apple.com/en-us/HT212980mitrex_refsource_MISC
support.apple.com/en-us/HT212981mitrex_refsource_MISC

News mentions

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