high
7.1
Advisory Published
Updated

CVE-2021-30931

First published: Tue Aug 24 2021(Updated: )

A logic issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. A malicious application may be able to disclose kernel memory.

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<11.6.2
11.6.2
Apple Catalina
Apple Mac OS X>=10.15<=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
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_2021-006
Apple Mac OS X=10.15.7-security_update_2021-007
Apple macOS>11.0<11.6.2
Apple macOS>12.0<12.1

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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 the vulnerability ID of this issue?

    The vulnerability ID is CVE-2021-30931.

  • What is the title of this vulnerability?

    The title of this vulnerability is 'Bluetooth. A logic issue was addressed with improved validation.'

  • What is the severity of CVE-2021-30931?

    The severity of CVE-2021-30931 is not specified in the provided information.

  • How does this vulnerability affect Apple macOS Monterey?

    Apple macOS Monterey version 12.0.1 is affected by this vulnerability.

  • How can I fix this vulnerability on Apple macOS Monterey?

    To fix this vulnerability on Apple macOS Monterey, update to version 12.0.1 or later.

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