Code Injection in InsydeH2O Kernel - CVE-2022-36338

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Main Vulnerability Database Vulnerabilities #VU80875

Code Injection in InsydeH2O Kernel - CVE-2022-36338

Published: September 19, 2023


Vulnerability identifier: #VU80875
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-36338
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Insyde Software
Affected software:
InsydeH2O Kernel

Detailed vulnerability description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the FwBlockServiceSmm driver of InsydeH2O. A local administrator can send a specially crafted request and execute arbitrary code on the target system.


How to mitigate CVE-2022-36338

Install updates from vendor's website.

Sources