CVE-2021-30949: Critical severity apple macos vulnerability

Published Aug 24, 2021
·
Updated

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.

Other sources

Kernel. A memory corruption issue was addressed with improved state management.

Credit

Ian Beer(Google Project Zero)

Affected Software

23 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple tvOS<15.2
15.2
Apple Catalina
Apple WatchOS<8.3
8.3
Apple macOS Monterey<12.1
12.1
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple iOS and macOS>=10.15<=10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
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-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
Apple WatchOS<8.3

Event History

Aug 24, 2021
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30949?

CVE-2021-30949 is a memory corruption issue in the Kernel that has been addressed with improved state management.

2

Which software is affected by CVE-2021-30949?

CVE-2021-30949 affects Apple Catalina, macOS Monterey (up to version 12.1), macOS Big Sur (up to version 11.6.2), watchOS (up to version 8.3), iOS (up to version 15.2), iPadOS (up to version 15.2), and tvOS (up to version 15.2).

3

How can I fix CVE-2021-30949?

To fix CVE-2021-30949, you should update your software to the latest available version provided by Apple.

4

Where can I find more information about CVE-2021-30949?

You can find more information about CVE-2021-30949 on the Apple Support website. Here are some references: [Link](https://support.apple.com/en-us/HT212980), [Link](https://support.apple.com/en-us/HT212978), [Link](https://support.apple.com/en-us/HT212975).

5

Is CVE-2021-30949 a critical vulnerability?

The severity of CVE-2021-30949 is not specified in the provided information.

Contact

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