CVE-2022-28197 : Vulnerability Insights and Analysis

NVIDIA Jetson Linux Driver Package is affected by a vulnerability in the Cboot ext4_mount function, potentially allowing a highly privileged local attacker to trigger an integer overflow. This could result in code execution, privilege escalation, denial of service, and impacts on confidentiality and integrity. Here's everything you need to know about CVE-2022-28197.

Understanding CVE-2022-28197

This section provides a detailed overview of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-28197?

CVE-2022-28197 involves insufficient validation of untrusted data in the Cboot ext4_mount function of NVIDIA Jetson Linux Driver Package. The vulnerability may be exploited by a local attacker with high privileges to cause an integer overflow.

The Impact of CVE-2022-28197

The vulnerability poses a medium risk with a base severity score of 5 out of 10. It has the potential to lead to code execution, privilege escalation, limited denial of service, and affects confidentiality, integrity, and other related components.

Technical Details of CVE-2022-28197

Let's delve deeper into the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate validation of untrusted data in the Cboot ext4_mount function, enabling a highly privileged local attacker to trigger an integer overflow.

Affected Systems and Versions

The affected products include the Jetson AGX Xavier series and Jetson Xavier NX running all 32.x versions prior to 32.7.2 of the NVIDIA Jetson Linux Driver Package.

Exploitation Mechanism

The vulnerability can be exploited by a local attacker with high privileges, potentially leading to significant security risks such as code execution and privilege escalation.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2022-28197.

Immediate Steps to Take

NVIDIA recommends updating to version 32.7.2 of the Jetson Linux Driver Package as soon as possible to address the vulnerability.
Monitor system logs and network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Implement the principle of least privilege to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates from NVIDIA and apply patches promptly to ensure the protection of your system.