CVE-2021-1095 : What You Need to Know
Learn about CVE-2021-1095, a vulnerability in NVIDIA GPU Display Driver for Windows and Linux, allowing denial of service. Find out impact, affected systems, and mitigation steps.
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters where dereferencing an untrusted pointer may lead to denial of service.
Understanding CVE-2021-1095
This CVE identifier pertains to a vulnerability found in the NVIDIA GPU Display Driver for both Windows and Linux systems, potentially leading to denial of service.
What is CVE-2021-1095?
CVE-2021-1095 involves a flaw in the kernel mode layer of the NVIDIA GPU Display Driver that can result in denial of service when processing certain control calls with embedded parameters.
The Impact of CVE-2021-1095
The vulnerability can be exploited to disrupt the normal functioning of affected systems running the NVIDIA GPU Display Driver, potentially causing a denial of service.
Technical Details of CVE-2021-1095
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability in the kernel mode layer of the driver arises from mishandling of control calls with embedded parameters, allowing an attacker to trigger a denial of service condition.
Affected Systems and Versions
All versions of the NVIDIA GPU Display Driver are impacted by this vulnerability for both Windows and Linux operating systems.
Exploitation Mechanism
By exploiting the kernel mode layer flaw, an attacker could craft specific control calls to trigger the vulnerability, leading to a denial of service event.
Mitigation and Prevention
Mitigation steps and security practices to address CVE-2021-1095.
Immediate Steps to Take
Users are advised to update their NVIDIA GPU Display Driver to the latest version provided by NVIDIA. Additionally, monitoring for unusual system behavior can help detect exploitation attempts.
Long-Term Security Practices
Regularly updating system components, including graphics drivers, and staying informed about security advisories can help in maintaining a secure environment.
Patching and Updates
Stay informed about security patches released by NVIDIA for the GPU Display Driver to address the vulnerability and prevent potential attacks.