high
7.6
CWE
362
Advisory Published
Updated

CVE-2021-30899: Race Condition

First published: Tue Aug 24 2021(Updated: )

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Credit: Weiteng Chen Zheng Zhang Zhiyun Qian UC Riverside Yu Wang Didi Research AmericaWeiteng Chen Zheng Zhang Zhiyun Qian UC Riverside Yu Wang Didi Research America cve@mitre.org Weiteng Chen Zheng Zhang Zhiyun Qian UC Riverside Yu Wang Didi Research America

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.0.1
12.0.1
Apple macOS Big Sur<11.6.1
11.6.1
Apple Catalina
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-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS=12.0

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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-2021-30899?

    CVE-2021-30899 is a vulnerability related to Bluetooth in macOS Big Sur, Catalina, and Monterey.

  • What is the severity of CVE-2021-30899?

    The severity of CVE-2021-30899 is not specified.

  • How does CVE-2021-30899 affect macOS Big Sur?

    CVE-2021-30899 affects macOS Big Sur version 11.6.1 and earlier.

  • How does CVE-2021-30899 affect macOS Catalina?

    CVE-2021-30899 affects macOS Catalina.

  • How does CVE-2021-30899 affect macOS Monterey?

    CVE-2021-30899 affects macOS Monterey version 12.0.1 and earlier.

  • How can I fix CVE-2021-30899?

    To fix CVE-2021-30899, it is recommended to update to macOS Big Sur version 11.6.1, or update to macOS Monterey version 12.0.1 and newer.

  • Where can I find more information about CVE-2021-30899?

    You can find more information about CVE-2021-30899 on the Apple support website. [Here](https://support.apple.com/en-us/HT212871) is the link for macOS Big Sur, [here](https://support.apple.com/en-us/HT212872) is the link for macOS Catalina, and [here](https://support.apple.com/en-us/HT212869) is the link for macOS Monterey.

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