CVE-2021-30859: Critical severity apple macos vulnerability

Published Aug 24, 2021
·
Updated

Kernel. A type confusion issue was addressed with improved state handling.

Other sources

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

Credit

Apple, Apple, Apple

Affected Software

15 affected componentsFixes available
Apple macOS Big Sur<11.6
11.6
Apple Catalina
Apple iOS<14.8
14.8
Apple iPadOS<14.8
14.8
Apple iPadOS<14.8
Apple iPhone OS<14.8
Apple iOS and macOS<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-supplemental_update
Apple macOS>=11.0<11.6

Event History

Aug 24, 2021
CVE Published
via MITRE·06:49 PM
Data Sourced
via MITRE·06:49 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2021-30859.

2

What is the affected software?

The affected software includes macOS Big Sur 11.6, iOS up to version 14.8, and iPadOS up to version 14.8.

3

What is the severity of CVE-2021-30859?

The severity of CVE-2021-30859 is not specified in the provided information.

4

How was the type confusion issue addressed?

The type confusion issue was addressed with improved state handling.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Apple support website: [Link](https://support.apple.com/en-us/HT212804), [Link](https://support.apple.com/en-us/HT212807), [Link](https://support.apple.com/en-us/HT212805).

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