Time-of-check Time-of-use (TOCTOU) Race Condition in InsydeH2O Kernel - CVE-2022-32469
Published: September 18, 2023
Vulnerability identifier: #VU80859
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-32469
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Insyde Software
Affected software:
InsydeH2O Kernel
InsydeH2O Kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in InsydeH2O. A local user can gain elevated privileges on the target system.
How to mitigate CVE-2022-32469
Install updates from vendor's website.