vulnerability

OS X update for Kernel (CVE-2021-30857)

Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
Nov 17, 2021
Added
Nov 17, 2021
Modified
Aug 13, 2025

Description

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Solutions

apple-osx-security-update-2021-005-catalinaapple-osx-upgrade-11_6
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.