CVE-2021-30830
First published: Mon Sep 13 2021(Updated: )
A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Credit: Zweig Kunlun Lab product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS | <11.6 | 11.6 |
| macOS Catalina | ||
| Apple iOS and macOS | >=10.15<=10.15.6 | |
| Apple iOS and macOS | =10.15.7 | |
| Apple iOS and macOS | =10.15.7-security_update_2020 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-005 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-007 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-002 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-003 | |
| Apple iOS and macOS | =10.15.7-supplemental_update | |
| Apple iOS and 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-2021-30811
- CVE-2021-30838
- CVE-2021-30834
- CVE-2021-30928
- CVE-2021-30860
- 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-2021-30853
- CVE-2021-30933
- CVE-2021-30835
- CVE-2021-30847
- CVE-2021-30830
- CVE-2021-30865
- CVE-2021-30857
- CVE-2021-30859
- CVE-2021-30864
- CVE-2013-0340
- CVE-2021-30813
- CVE-2021-30819
- CVE-2021-30855
- CVE-2021-30925
- CVE-2021-30850
- CVE-2021-30845
- CVE-2021-30844
- CVE-2021-30858
- CVE-2021-30783
- CVE-2020-29622
- CVE-2021-30713
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-30830.
What is the title of the vulnerability?
The title of the vulnerability is 'Kernel. A memory corruption issue was addressed with improved memory handling.'
How does the vulnerability affect the software?
The vulnerability affects Apple macOS Big Sur version up to and including 11.6, as well as Apple Catalina.
How can I fix this vulnerability?
To fix this vulnerability, ensure that your Apple macOS Big Sur is updated to version 11.6 or later.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the following Apple support pages: [CVE-2021-30830](https://support.apple.com/en-us/HT212804) and [CVE-2021-30830](https://support.apple.com/en-us/HT212805).
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/event
- agent/description
- agent/trending
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/apple
- canonical/apple macos
- canonical/macos catalina
- canonical/apple ios and macos
- version/apple ios and macos/10.15
- version/apple ios and macos/10.15.6
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-security_update_2020-005
- version/apple ios and macos/10.15.7-security_update_2020-007
- version/apple ios and macos/10.15.7-security_update_2021-001
- version/apple ios and macos/10.15.7-security_update_2021-002
- version/apple ios and macos/10.15.7-security_update_2021-003
- version/apple ios and macos/10.15.7-supplemental_update
- version/apple ios and macos/11.0