PT-2021-8039 · Apple · Apple Macos

Weiteng Chen + 3 · Published 2021-08-24 · Updated 2021-11-02 · CVE-2021-30899

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions macOS versions prior to 12.0.1 macOS Big Sur versions prior to 11.6.1 Security Update versions prior to 2021-007 Catalina

Description A race condition was addressed with improved state handling, which may allow a malicious application to execute arbitrary code with kernel privileges. The issue is related to a Bluetooth component vulnerability in the macOS operating system, caused by concurrent execution using a shared resource with incorrect synchronization.

Recommendations For macOS versions prior to 12.0.1, update to macOS Monterey 12.0.1 or later. For macOS Big Sur versions prior to 11.6.1, update to macOS Big Sur 11.6.1 or later. For Security Update versions prior to 2021-007 Catalina, apply Security Update 2021-007 Catalina or later.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

BDU:2024-03949

CVE-2021-30899

Affected Products

Apple Macos

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-30899 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30899 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-03949 · Security Note
• https://support.apple.com/en-us/HT212869 · Note
• https://support.apple.com/en-us/HT212871 · Note
• https://support.apple.com/en-us/103236 · Note
• https://t.me/cibsecurity/27806 · Telegram Post
• https://support.apple.com/en-us/103164 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30899 · Note
• https://support.apple.com/en-us/HT212872 · Note