CVE-2021-34397 : Vulnerability Insights and Analysis
Discover details about CVE-2021-34397, a vulnerability in NVIDIA bootloader. Learn about the impact, affected systems, and mitigation steps against this security issue.
A vulnerability has been identified in the NVIDIA bootloader component, specifically in NVIDIA MB2. This vulnerability could result in a limited denial of service due to incorrect heap memory handling.
Understanding CVE-2021-34397
This section will provide an in-depth look at the nature and impact of the CVE-2021-34397 vulnerability.
What is CVE-2021-34397?
CVE-2021-34397 is a vulnerability found in the NVIDIA MB2 bootloader component, affecting various NVIDIA Jetson series devices. The vulnerability stems from incorrect heap memory handling, which could potentially lead to a limited denial of service scenario.
The Impact of CVE-2021-34397
The impact of this vulnerability lies in its potential to cause disruption through denial of service attacks, albeit limited. By exploiting the vulnerable NVIDIA bootloader component, threat actors could destabilize affected systems.
Technical Details of CVE-2021-34397
Delve deeper into the technical aspects of the CVE-2021-34397 vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in the NVIDIA MB2 bootloader component allows for incorrect heap memory handling, leading to a scenario where an attacker may trigger a denial of service condition.
Affected Systems and Versions
The vulnerability impacts the NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, and Xavier NX devices running on all Jetson Linux versions prior to r32.5.1.
Exploitation Mechanism
As the vulnerability resides in the NVIDIA bootloader component, an attacker with high privileges on the local system could exploit the flaw to trigger a limited denial of service scenario.
Mitigation and Prevention
Learn how to mitigate the risks posed by CVE-2021-34397 and prevent potential exploitation through immediate steps and long-term security practices.
Immediate Steps to Take
- NVIDIA advises users to update their affected devices to version r32.5.1 or later to mitigate the vulnerability.
Long-Term Security Practices
Institute robust security practices, such as restricting access rights, implementing secure boot mechanisms, and monitoring system activity to detect anomalous behavior.
Patching and Updates
Regularly apply security patches and firmware updates provided by NVIDIA to ensure the latest security enhancements are in place.