CVE-2021-30899: Race Condition

Published 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.

Other sources

Bluetooth. A race condition was addressed with improved state handling.

Credit

Weiteng Chen, Zheng Zhang, Zhiyun Qian(UC Riverside), Yu Wang(Didi Research America)

Affected Software

15 affected componentsFixes available
Apple macOS Big Sur<11.6.1
11.6.1
Apple Catalina
Apple macOS Monterey<12.0.1
12.0.1
Apple iOS and macOS<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-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS=12.0

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.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30899?

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

2

What is the severity of CVE-2021-30899?

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

3

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

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

4

How does CVE-2021-30899 affect macOS Catalina?

CVE-2021-30899 affects macOS Catalina.

5

How does CVE-2021-30899 affect macOS Monterey?

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

6

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.

7

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.

Company

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CVE-2021-30899 - Race Condition - SecAlerts