CVE-2021-34393 : Security Advisory and Response

A vulnerability has been identified in NVIDIA Jetson series affecting multiple versions. This CVE has a base severity rating of MEDIUM with a CVSS score of 4.2.

Understanding CVE-2021-34393

This section delves into the impact and technical details of the CVE.

What is CVE-2021-34393?

Trusty contains a vulnerability in TSEC TA that allows an attacker to impact code execution, resulting in information disclosure.

The Impact of CVE-2021-34393

The vulnerability could permit an attacker to exploit the deserialization process of incoming messages, potentially leading to code execution and information exposure.

Technical Details of CVE-2021-34393

Detailed technical aspects of the vulnerability.

Vulnerability Description

The flaw lies in the deserialization process of incoming messages in TSEC TA, even though no command is exposed, potentially allowing code execution and information disclosure.

Affected Systems and Versions

NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, Xavier NX with all Jetson Linux versions prior to r32.5.1 are impacted.

Exploitation Mechanism

The attacker deserializes incoming messages, exploiting this process to influence code execution and potentially disclose information.

Mitigation and Prevention

Steps to secure systems and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update to Jetson Linux version r32.5.1 or later to patch the vulnerability.
Monitor NVIDIA's security advisories for updates and patches.

Long-Term Security Practices

Regularly check for security updates and apply them promptly.
Employ network segmentation and access controls to limit exposure.

Patching and Updates

Stay informed about security patches and updates from NVIDIA to safeguard against potential threats.