CWE
416
Advisory Published
Updated

CVE-2021-30980: Use After Free

First published: Tue Aug 24 2021(Updated: )

A use after free issue was addressed with improved memory 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. An application may be able to execute arbitrary code with kernel privileges.

Credit: Xinru Chi Pangu Lab cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.1
12.1
Apple macOS<11.6.2
11.6.2
tvOS<15.2
15.2
macOS Catalina
Apple iOS, iPadOS, and watchOS<15.2
15.2
Apple iOS, iPadOS, and watchOS<15.2
15.2
Apple iOS, iPadOS, and watchOS<8.3
8.3
Apple iOS, iPadOS, and watchOS<15.2
iStyle @cosme 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 iOS and macOS>=11.0<11.6.2
Apple iOS and macOS>=12.0<12.1
tvOS<15.2
Apple iOS, iPadOS, and watchOS<8.3

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2021-30980.

  • What is the affected software?

    The affected software includes Apple macOS Monterey 12.1, Apple macOS Big Sur 11.6.2, Apple Catalina, Apple iOS up to 15.2, Apple iPadOS up to 15.2, Apple watchOS up to 8.3, and Apple tvOS up to 15.2.

  • What is the severity of CVE-2021-30980?

    The severity of CVE-2021-30980 is not specified in the information provided.

  • How was the use after free issue addressed?

    The use after free issue was addressed with improved memory management.

  • How can I fix the vulnerability?

    To fix the vulnerability, users should update their affected software versions to the specified versions mentioned.

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