CVE-2021-30868

Published: Aug 24, 2021Modified: Jun 17, 2026

7.0

Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.0 / Impact: 5.9

Source: NVD

Description

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected (2)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	From 11.0 to 11.6.1
Apple Macos	Version 12.0

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (4)

https://support.apple.com/en-us/HT212869

Source: product-security@apple.com

https://support.apple.com/en-us/HT212872

Source: product-security@apple.com

https://support.apple.com/en-us/HT212869

Source: af854a3a-2127-422b-91ae-364da2661108

https://support.apple.com/en-us/HT212872

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.