CVE-2021-30830: Critical severity apple macos vulnerability

Published 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.

Other sources

Kernel. A memory corruption issue was addressed with improved memory handling.

Credit

Zweig(Kunlun Lab)

Affected Software

13 affected componentsFixes available
Apple macOS Big Sur<11.6
11.6
Apple 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 macOS>=11.0<11.6

Event History

Oct 19, 2021
CVE Published
via MITRE·01:11 PM
Data Sourced
via MITRE·01:11 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2021-30830.

2

What is the title of the vulnerability?

The title of the vulnerability is 'Kernel. A memory corruption issue was addressed with improved memory handling.'

3

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.

4

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.

5

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).

Contact

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