critical
10
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2021-30805: Input Validation

First published: Wed Jul 21 2021(Updated: )

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Credit: ABC Research s.r.o ABC Research s.r.o product-security@apple.com ABC Research s.r.o

Affected SoftwareAffected VersionHow to fix
Apple Mojave
Apple Catalina
Apple macOS Big Sur<11.5
11.5
Apple Mac OS X>=10.14<=10.14.6
Apple Mac OS X>=10.15<=10.15.7
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-security_update_2021-003
Apple Mac OS X=10.14.6-security_update_2021-004
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.6-supplemental_update
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-supplemental_update
Apple macOS>=11.0<11.5

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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-2021-30805?

    CVE-2021-30805 is a vulnerability in the AMD Kernel that allows for a memory corruption issue due to a lack of input validation.

  • What software versions are affected by CVE-2021-30805?

    CVE-2021-30805 affects Apple Mojave, Apple Catalina, and Apple macOS Big Sur versions up to 11.5.

  • How can I fix CVE-2021-30805?

    To fix CVE-2021-30805, update your Apple operating system to version 11.5 or later.

  • Where can I find more information about CVE-2021-30805?

    You can find more information about CVE-2021-30805 on the Apple support website. Here are some relevant references:

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