Race condition in macOS - CVE-2021-30955
Published: December 14, 2021 / Updated: June 29, 2022
Vulnerability identifier: #VU58867
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-30955
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the OS kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
How to mitigate CVE-2021-30955
Install updates from vendor's website.