CVE-2021-30740
First published: Mon May 24 2021(Updated: )
A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Credit: Linus Henze (pinauten.de) Linus Henze (pinauten.de) Linus Henze (pinauten.de) Linus Henze (pinauten.de) product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iPadOS | <14.6 | |
| Apple iPhone OS | <14.6 | |
| Apple macOS | >=11.0.1<11.4 | |
| Apple tvOS | <14.6 | |
| Apple watchOS | <7.5 | |
| Apple watchOS | <7.5 | 7.5 |
| Apple macOS Big Sur | <11.4 | 11.4 |
| Apple iOS | <14.6 | 14.6 |
| Apple iPadOS | <14.6 | 14.6 |
| Apple tvOS | <14.6 | 14.6 |
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Reference Links
- https://support.apple.com/en-us/HT212528 (Advisory)
- https://support.apple.com/en-us/HT212529 (Advisory)
- https://support.apple.com/en-us/HT212532 (Advisory)
- https://support.apple.com/en-us/HT212533 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30678
- CVE-2021-30676
- CVE-2021-30688
- CVE-2021-30669
- CVE-2021-30707
- CVE-2021-30685
- CVE-2021-30672
- CVE-2021-30681
- CVE-2021-30686
- CVE-2021-30733
- CVE-2021-30753
- CVE-2021-30727
- CVE-2021-30724
- CVE-2021-30673
- CVE-2021-30771
- CVE-2021-30755
- CVE-2021-30684
- CVE-2021-30735
- CVE-2021-30697
- CVE-2021-30710
- CVE-2021-30683
- CVE-2021-30687
- CVE-2021-30700
- CVE-2021-30701
- CVE-2021-30705
- CVE-2021-30706
- CVE-2021-30719
- CVE-2021-30728
- CVE-2021-30726
- CVE-2021-30731
- CVE-2021-30740
- CVE-2021-30704
- CVE-2021-30715
- CVE-2021-30736
- CVE-2021-30739
- CVE-2021-30703
- CVE-2021-30680
- CVE-2021-30677
- CVE-2021-30702
- CVE-2021-30696
- CVE-2021-30756
- CVE-2021-30723
- CVE-2021-30691
- CVE-2021-30692
- CVE-2021-30694
- CVE-2021-30725
- CVE-2021-30746
- CVE-2021-30693
- CVE-2021-30695
- CVE-2021-30708
- CVE-2021-30709
- CVE-2021-30679
- CVE-2020-36226
- CVE-2020-36227
- CVE-2020-36223
- CVE-2020-36224
- CVE-2020-36225
- CVE-2020-36221
- CVE-2020-36228
- CVE-2020-36222
- CVE-2020-36230
- CVE-2020-36229
- CVE-2021-30738
- CVE-2021-30751
- CVE-2021-30737
- CVE-2021-30716
- CVE-2021-30717
- CVE-2021-30721
- CVE-2021-30722
- CVE-2021-30712
- CVE-2021-30668
- CVE-2021-30718
- CVE-2021-30671
- CVE-2021-30713
- CVE-2021-30744
- CVE-2021-21779
- CVE-2021-30682
- CVE-2021-30689
- CVE-2021-30749
- CVE-2021-30734
- CVE-2021-30720
- CVE-2021-23841
- CVE-2021-30698
- CVE-2021-30665
- CVE-2021-30663
- CVE-2021-30714
- CVE-2021-30729
- CVE-2021-30674
- CVE-2021-30741
- CVE-2021-1821
- CVE-2021-30699
- CVE-2021-30999
- CVE-2021-30667
Frequently Asked Questions
What is CVE-2021-30740?
CVE-2021-30740 is a vulnerability in the Kernel that was addressed with improved validation.
What is the severity of CVE-2021-30740?
The severity of CVE-2021-30740 has not been specified.
Which software versions are affected by CVE-2021-30740?
CVE-2021-30740 affects Apple products such as tvOS 14.6, watchOS 7.5, macOS Big Sur 11.4, iOS 14.6, and iPadOS 14.6.
How can I fix CVE-2021-30740?
To fix CVE-2021-30740, update your Apple software to the versions specified in the Apple support links provided.
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/references
- collector/nvd-index
- agent/severity
- agent/author
- agent/tags
- agent/event
- agent/description
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple macos big sur
- canonical/apple watchos
- canonical/apple ipados
- canonical/apple iphone os
- canonical/apple macos
- version/apple macos/11.0.1
- canonical/apple tvos
- canonical/apple ios