Unrated severityCISA KEVNVD Advisory· Published Aug 24, 2021· Updated Oct 21, 2025
CVE-2021-30900
CVE-2021-30900
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
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Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/HT212867mitrex_refsource_MISC
- support.apple.com/en-us/HT212868mitrex_refsource_MISC
- support.apple.com/kb/HT212872mitrex_refsource_CONFIRM
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