CVE-2022-48183 : Security Advisory and Response

A vulnerability in the BIOS of Lenovo ThinkPad T14s Gen 3 and X13 Gen3 could allow unauthorized access due to the tamper detection mechanism not triggering under specific circumstances.

Understanding CVE-2022-48183

This CVE involves a security issue in the BIOS of certain Lenovo ThinkPad models.

What is CVE-2022-48183?

A vulnerability in the BIOS of ThinkPad T14s Gen 3 and X13 Gen3 could lead to unauthorized access by bypassing the tamper detection mechanism.

The Impact of CVE-2022-48183

The vulnerability could result in unauthorized users gaining access to affected devices through exploitation of the BIOS.

Technical Details of CVE-2022-48183

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows the BIOS tamper detection mechanism to be bypassed, potentially enabling unauthorized access to the affected devices.

Affected Systems and Versions

ThinkPad T14s X13 Gen3 BIOS - Windows: Versions less than 1.30 (R22ET60W)
ThinkPad X13 Gen3 BIOS - Windows: Versions less than 1.30 (R22ET60W)
ThinkPad T14s Gen 3 BIOS - Linux: Versions less than 1.35 (N3CET54W)
ThinkPad X13 Gen3 BIOS - Linux: Versions less than 1.35 (N3CET54W)

Exploitation Mechanism

Attackers could potentially exploit this vulnerability to gain unauthorized access to the BIOS and subsequently the affected systems.

Mitigation and Prevention

Following are the steps to mitigate the CVE-2022-48183 vulnerability.

Immediate Steps to Take

Update the system firmware to version 1.30 (R22ET60W) or newer to address the security vulnerability immediately.

Long-Term Security Practices

Regularly update system firmware and implement security best practices to protect against potential BIOS vulnerabilities.

Patching and Updates

Refer to the Lenovo support page for CVE-2022-48183 to access the necessary firmware updates and patches.