CVE-2021-30981: Buffer Overflow

Published Aug 24, 2021
·
Updated

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.

Other sources

Intel Graphics Driver. A buffer overflow was addressed with improved bounds checking.

Credit

Liu Long(Ant Security Light), Jack Dates(RET2 Systems Inc), Liu Long(Ant Security Light), Jack Dates(RET2 Systems Inc), Liu Long(Ant Security Light), Jack Dates(RET2 Systems Inc)

Affected Software

16 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple Catalina
Apple macOS Monterey<12.1
12.1
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 macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30981?

CVE-2021-30981 refers to a buffer overflow vulnerability in the Intel Graphics Driver that has been fixed with improved bounds checking.

2

Which software versions are affected by CVE-2021-30981?

The affected software versions include macOS Monterey 12.1, macOS Big Sur 11.6.2, and Apple Catalina.

3

How can I fix CVE-2021-30981?

To fix CVE-2021-30981, make sure to update your operating system to the recommended version by Apple.

4

What is the severity of CVE-2021-30981?

The severity of CVE-2021-30981 is not specified.

5

Where can I find more information about CVE-2021-30981?

You can find more information about CVE-2021-30981 on the official Apple support website.

Contact

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