CVE-2021-1112 : Vulnerability Insights and Analysis

NVIDIA Linux kernel distributions are affected by a vulnerability in nvmap, potentially leading to a complete denial of service.

Understanding CVE-2021-1112

This section will provide insights into the nature of the vulnerability.

What is CVE-2021-1112?

CVE-2021-1112 is a vulnerability found in NVIDIA Linux kernel distributions, specifically in nvmap. This flaw may result in a null pointer dereference, leading to a complete denial of service.

The Impact of CVE-2021-1112

The impact of this vulnerability is rated as medium severity, with a CVSS base score of 5.5. It has a high availability impact but does not affect confidentiality or integrity.

Technical Details of CVE-2021-1112

This section will delve into the technical details of the vulnerability.

Vulnerability Description

The vulnerability in nvmap triggers a null pointer dereference, potentially causing a complete denial of service.

Affected Systems and Versions

The affected systems include Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson Nano, Jetson Nano 2GB, and Jetson TX1 running all Jetson Linux versions before r32.6.1.

Exploitation Mechanism

The exploitation of this vulnerability requires local access and low privilege requirements.

Mitigation and Prevention

In this section, we will discuss steps to mitigate and prevent exploitation of CVE-2021-1112.

Immediate Steps to Take

It is recommended to update the affected systems to version r32.6.1 or newer to mitigate the vulnerability. Regularly monitor NVIDIA security advisories for patches and updates.

Long-Term Security Practices

Implementing solid cybersecurity practices, such as network segmentation and restricting unnecessary access, can enhance overall security posture.

Patching and Updates

Stay informed about security updates from NVIDIA and promptly apply patches to address known vulnerabilities.