CVE-2021-1108 : Security Advisory and Response
Learn about CVE-2021-1108 found in NVIDIA Linux kernel distributions affecting FuSa Capture (VI/ISP). Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
NVIDIA Linux kernel distributions contain a vulnerability in FuSa Capture (VI/ISP) that can result in a complete denial of service, partial integrity issues, and serious confidentiality loss for all processes in the system.
Understanding CVE-2021-1108
This section will provide insights into the nature of the CVE-2021-1108 vulnerability.
What is CVE-2021-1108?
CVE-2021-1108 is a vulnerability found in NVIDIA Linux kernel distributions, specifically in FuSa Capture (VI/ISP). It stems from an integer underflow due to the lack of input validation.
The Impact of CVE-2021-1108
The vulnerability can lead to severe consequences, including complete denial of service, compromised integrity, and confidentiality loss for all system processes.
Technical Details of CVE-2021-1108
Let's delve into the technical aspects of CVE-2021-1108 to understand how it affects systems and versions.
Vulnerability Description
The vulnerability arises from an integer underflow in FuSa Capture (VI/ISP) due to inadequate input validation, exposing systems to significant risks.
Affected Systems and Versions
Among the affected products are Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson Nano, Jetson Nano 2GB, Jetson TX1, and Shield TV. All versions prior to r32.6.1 for Jetson Linux and SE 9.0 for Shield TV are vulnerable.
Exploitation Mechanism
The vulnerability allows threat actors to trigger an integer underflow, exploiting the lack of input validation to disrupt processes and compromise system integrity.
Mitigation and Prevention
Discover the steps to mitigate the risks posed by CVE-2021-1108 and prevent potential security breaches.
Immediate Steps to Take
Immediate actions involve applying relevant patches and updates provided by NVIDIA to address the vulnerability promptly.
Long-Term Security Practices
Implement robust security measures such as network segmentation, access control, and regular security assessments to enhance overall system security.
Patching and Updates
Stay informed about security patches released by NVIDIA and ensure timely application to safeguard systems against known vulnerabilities.