A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arbitrary code.

Related CVEs

CVE-2021-4212

Key Information

GHSA ID

GHSA-937r-586h-vgqf

Published

April 23, 2022 12:03 AM

Last Modified

May 12, 2022 12:00 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 13, 2025 6:30 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.