critical
9.3
CWE
787
Advisory Published
Updated

CVE-2021-30949

First published: Tue 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.

Credit: Ian Beer Google Project ZeroIan Beer Google Project ZeroIan Beer Google Project ZeroIan Beer Google Project ZeroIan Beer Google Project ZeroIan Beer Google Project Zero cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple Mac OS X>=10.15<=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-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-security_update_2021-007
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
Apple watchOS<8.3
Apple watchOS<8.3
8.3
Apple tvOS<15.2
15.2
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple macOS Monterey<12.1
12.1
Apple macOS Big Sur<11.6.2
11.6.2
Apple Catalina

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-30949?

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

  • 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).

  • 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.

  • 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).

  • Is CVE-2021-30949 a critical vulnerability?

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

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