Apple · Apple Macos · CVE-2021-30857
**Name of the Vulnerable Software and Affected Versions**
Apple macOS versions prior to Big Sur 11.6
Apple iOS versions prior to 14.8 and 15
Apple iPadOS versions prior to 14.8 and 15
Apple tvOS versions prior to 15
Apple watchOS versions prior to 8
**Description**
A race condition issue was addressed with improved locking, which may allow a malicious application to execute arbitrary code with kernel privileges.
**Recommendations**
For macOS versions prior to Big Sur 11.6, update to macOS Big Sur 11.6 or later.
For iOS versions prior to 14.8, update to iOS 14.8 or later.
For iOS versions prior to 15, update to iOS 15 or later.
For iPadOS versions prior to 14.8, update to iPadOS 14.8 or later.
For iPadOS versions prior to 15, update to iPadOS 15 or later.
For tvOS versions prior to 15, update to tvOS 15 or later.
For watchOS versions prior to 8, update to watchOS 8 or later.