CVE-2022-24350 : What You Need to Know

This article provides details about CVE-2022-24350, an issue discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5, affecting IHISI function 0x17.

Understanding CVE-2022-24350

This section delves into the specifics of the vulnerability and its impact.

What is CVE-2022-24350?

The vulnerability in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows for potential data destruction due to insufficient data size verification.

The Impact of CVE-2022-24350

The issue could lead to circumstances where data beyond the end of the command buffer could be destroyed, resulting in possible buffer size errors.

Technical Details of CVE-2022-24350

Explore the technical aspects of the vulnerability in this section.

Vulnerability Description

IHISI function 0x17 fails to adequately verify the command buffer's size, potentially leading to data corruption beyond the buffer's boundaries.

Affected Systems and Versions

All systems running Insyde InsydeH2O with kernel versions 5.0 through 5.5 are vulnerable to this issue.

Exploitation Mechanism

Attackers may exploit this vulnerability by triggering the GetFlashTable function directly on the Command Buffer before DataSize is checked, enabling potential data destruction.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent exploitation of CVE-2022-24350.

Immediate Steps to Take

Immediately apply relevant patches and updates provided by Insyde to address the vulnerability and prevent potential data loss.

Long-Term Security Practices

Implement robust security measures such as regular system updates, network segmentation, and access controls to enhance overall security posture.

Patching and Updates

Stay informed about security advisories from Insyde and promptly apply patches to safeguard systems against known vulnerabilities.