critical
9.3
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30728

First published: Mon May 24 2021(Updated: )

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

Credit: Liu Long Ant Security LightLiu Long Ant Security Light product-security@apple.com Liu Long Ant Security LightYinyi Wu @3ndy1 Qihoo 360 Vulcan Team

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.4
11.4
macOS Catalina
macOS Mojave
Apple iOS and macOS>=10.14.0<=10.14.5
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
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-supplemental_update
Apple iOS and macOS>=11.0.1<11.4

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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-2021-30728?

    CVE-2021-30728 is a vulnerability in the Intel Graphics Driver that allows an attacker to perform an out-of-bounds write, which has been fixed with improved bounds checking.

  • Which software versions are affected by CVE-2021-30728?

    macOS Big Sur versions up to and excluding 11.4, Mojave, and Catalina are affected by CVE-2021-30728.

  • How can I fix CVE-2021-30728?

    To fix CVE-2021-30728, update your macOS Big Sur to version 11.4 or later.

  • Where can I find more information about CVE-2021-30728?

    You can find more information about CVE-2021-30728 on the Apple support page: [https://support.apple.com/en-us/HT212530](https://support.apple.com/en-us/HT212530)

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