A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Kernel | — | Apply Apple macOS Security Update 2021-001 CatalinaUpgrade macOS to the latest versionApply Apple macOS Security Update 2021-001 Mojave | Feb 19, 2021 | Feb 1, 2021 |
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