CVE-2021-30865: Input Validation
First published: Tue Aug 24 2021(Updated: )
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
Credit: Zweig Kunlun Lab cve@mitre.org Zweig Kunlun Lab
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple Catalina | ||
| Apple macOS Big Sur | <11.6 | 11.6 |
| Apple Mac OS X | <10.15.7 | |
| Apple Mac OS X | =10.15.7 | |
| Apple Mac OS X | =10.15.7-security_update_2020-001 | |
| Apple Mac OS X | =10.15.7-security_update_2021-001 | |
| Apple Mac OS X | =10.15.7-security_update_2021-002 | |
| Apple Mac OS X | =10.15.7-security_update_2021-003 | |
| Apple Mac OS X | =10.15.7-security_update_2021-004 | |
| Apple Mac OS X | =10.15.7-supplemental_update | |
| Apple macOS | >=11.0<11.6 |
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Reference Links
- https://support.apple.com/en-us/HT212805 (Advisory)
- https://support.apple.com/en-us/HT212804 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30860
- CVE-2021-30783
- CVE-2021-31010
- CVE-2021-30827
- CVE-2021-30828
- CVE-2021-30829
- CVE-2021-22925
- CVE-2021-30832
- CVE-2021-30841
- CVE-2021-30842
- CVE-2021-30843
- CVE-2021-30835
- CVE-2021-30847
- CVE-2021-30830
- CVE-2021-30865
- CVE-2020-29622
- CVE-2021-30857
- CVE-2021-30859
- CVE-2013-0340
- CVE-2021-30855
- CVE-2021-30850
- CVE-2021-30844
- CVE-2021-30713
- CVE-2021-30811
- CVE-2021-30838
- CVE-2021-30834
- CVE-2021-30928
- CVE-2021-30853
- CVE-2021-30933
- CVE-2021-30864
- CVE-2021-30813
- CVE-2021-30819
- CVE-2021-30925
- CVE-2021-30845
- CVE-2021-30858
Frequently Asked Questions
What is CVE-2021-30865?
CVE-2021-30865 is a vulnerability in the Kernel that allows an out-of-bounds read due to improved input validation.
What software is affected by CVE-2021-30865?
The affected software includes macOS Big Sur versions up to and exclusive of 11.6, and Apple Catalina.
How severe is CVE-2021-30865?
The severity of CVE-2021-30865 is not specified.
How can I fix CVE-2021-30865?
To fix CVE-2021-30865, update to the latest version of macOS Big Sur or Apple Catalina as soon as it becomes available.
Where can I find more information about CVE-2021-30865?
You can find more information about CVE-2021-30865 on the Apple support page: [https://support.apple.com/en-us/HT212804](https://support.apple.com/en-us/HT212804) and [https://support.apple.com/en-us/HT212805](https://support.apple.com/en-us/HT212805).
- collector/apple-support
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/weakness
- agent/tags
- agent/first-publish-date
- agent/event
- agent/description
- agent/trending
- vendor/apple
- canonical/apple catalina
- canonical/apple mac os x
- version/apple mac os x/10.15.7
- version/apple mac os x/10.15.7-security_update_2020-001
- version/apple mac os x/10.15.7-security_update_2021-001
- version/apple mac os x/10.15.7-security_update_2021-002
- version/apple mac os x/10.15.7-security_update_2021-003
- version/apple mac os x/10.15.7-security_update_2021-004
- version/apple mac os x/10.15.7-supplemental_update
- canonical/apple macos
- version/apple macos/11.0
- canonical/apple macos big sur