CVE-2022-40137 : Vulnerability Insights and Analysis

A buffer overflow vulnerability in the WMI SMI Handler in certain Lenovo models could be exploited by a local attacker with elevated privileges to run arbitrary code.

Understanding CVE-2022-40137

This section provides detailed insights into the CVE-2022-40137 vulnerability.

What is CVE-2022-40137?

The CVE-2022-40137 vulnerability involves a buffer overflow in the WMI SMI Handler in specific Lenovo models, enabling a local attacker with elevated privileges to execute arbitrary code.

The Impact of CVE-2022-40137

The vulnerability poses a medium severity risk with high impacts on confidentiality, integrity, and availability. An attacker could potentially exploit this flaw to compromise the affected systems.

Technical Details of CVE-2022-40137

Explore the technical aspects of the CVE-2022-40137 vulnerability.

Vulnerability Description

The vulnerability arises due to a buffer overflow in the WMI SMI Handler, allowing attackers to execute arbitrary code with elevated privileges.

Affected Systems and Versions

Certain Lenovo models are affected by this vulnerability, specifically in the BIOS software across various versions.

Exploitation Mechanism

Local attackers with elevated privileges can leverage this vulnerability to execute arbitrary code on the target system.

Mitigation and Prevention

Discover the measures to mitigate the CVE-2022-40137 vulnerability.

Immediate Steps to Take

It is recommended to update the system firmware to the specified version or a newer one as listed in the Product Impact section of LEN-94953 to address this vulnerability.

Long-Term Security Practices

Regularly update and patch your system firmware and software to prevent exploitation of known vulnerabilities.

Patching and Updates

Stay informed about security updates and patches related to your Lenovo model to ensure protection against potential threats.