CVE-2023-25520 : What You Need to Know

This CVE-2023-25520 was assigned by NVIDIA and published on June 23, 2023. It pertains to a vulnerability found in the NVIDIA Jetson Linux Driver Package.

Understanding CVE-2023-25520

This vulnerability in the NVIDIA Jetson Linux Driver Package allows a privileged local attacker to configure invalid settings in

nvbootctrl

, resulting in a denial of service.

What is CVE-2023-25520?

The vulnerability in the NVIDIA Jetson Linux Driver Package allows a privileged local attacker to manipulate

nvbootctrl

to cause a denial of service attack, impacting the availability of the system.

The Impact of CVE-2023-25520

The main impact of CVE-2023-25520 is a denial of service, which can disrupt the normal functioning of the affected systems. Attackers with high privileges can exploit this vulnerability to cause service unavailability.

Technical Details of CVE-2023-25520

This section will cover the specifics of the vulnerability, including the affected systems, exploitation mechanism, and versions impacted.

Vulnerability Description

The vulnerability arises from improper input validation in the NVIDIA Jetson Linux Driver Package, allowing unauthorized users to configure invalid settings in

nvbootctrl

, leading to a denial of service.

Affected Systems and Versions

The vulnerability affects NVIDIA products including Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, and Jetson TX2 NX. All versions prior to 32.7.4 are susceptible to this issue.

Exploitation Mechanism

The attack vector for CVE-2023-25520 is local, requiring high privileges. An attacker needs to manipulate

nvbootctrl

to set invalid configurations, triggering a denial of service condition.

Mitigation and Prevention

To protect systems from the CVE-2023-25520 vulnerability, it is crucial to implement immediate steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Apply the latest security updates provided by NVIDIA.
Monitor system logs for any signs of unauthorized configuration changes.
Restrict access to critical system components to authorized personnel only.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Implement strict access controls and least privilege principles.
Educate users on secure configuration practices and potential threats.

Patching and Updates

NVIDIA has released version 32.7.4 to address the CVE-2023-25520 vulnerability. Ensure all affected systems are updated to the latest patched version to mitigate the risk of exploitation.