CVE-2021-1106 Explained : Impact and Mitigation
Discover the impact of CVE-2021-1106 on NVIDIA Linux kernel distributions, the risks it poses including privilege escalation and data tampering, and essential mitigation strategies for enhanced system security.
NVIDIA Linux kernel distributions are impacted by a vulnerability in nvmap that allows writes to read-only buffers, leading to severe consequences like privilege escalation, denial of service, information disclosure, and data tampering across all system processes.
Understanding CVE-2021-1106
This section provides an insight into the nature and impact of the vulnerability.
What is CVE-2021-1106?
CVE-2021-1106 is a vulnerability found in NVIDIA Linux kernel distributions, specifically in nvmap, enabling unauthorized writes to read-only buffers that can result in serious security breaches.
The Impact of CVE-2021-1106
The vulnerability has a CVSS base score of 7.8 (High), indicating a significant risk. It can lead to privileges escalation, complete denial of service, unrestricted information exposure, and critical data tampering within the system.
Technical Details of CVE-2021-1106
This section delves into the technical aspects of the CVE, outlining affected systems, exploitation methods, and more.
Vulnerability Description
The flaw in nvmap facilitates unauthorized writes to read-only buffers, potentially leading to various security compromises and system-wide impact.
Affected Systems and Versions
Impacted products include the Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson Nano, Jetson Nano 2GB, Jetson TX1, and Shield TV with specific vulnerable versions mentioned.
Exploitation Mechanism
The vulnerability allows attackers to carry out privilege escalation, denial of service attacks, information disclosure, and data manipulation by exploiting the flawed nvmap component.
Mitigation and Prevention
This section offers guidance on how to mitigate the risks posed by CVE-2021-1106 and prevent potential exploitation.
Immediate Steps to Take
It is crucial to apply security patches and updates provided by NVIDIA to address the vulnerability and enhance system security immediately.
Long-Term Security Practices
Incorporate robust security practices such as regular system updates, network segmentation, and access control measures to fortify overall security posture.
Patching and Updates
Stay informed about security advisories from NVIDIA and promptly apply patches to ensure ongoing protection against known vulnerabilities.