CVE-2021-1090 : What You Need to Know

NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for control calls. This vulnerability allows the software to read or write to a buffer using an index or pointer that references a memory location after the end of the buffer, potentially leading to data tampering or denial of service.

Understanding CVE-2021-1090

This section provides insights into the nature and impact of the CVE-2021-1090 vulnerability.

What is CVE-2021-1090?

CVE-2021-1090 is a vulnerability in the NVIDIA GPU Display Driver for Windows and Linux that may lead to data tampering or denial of service due to improper handling of control calls.

The Impact of CVE-2021-1090

The impact of this vulnerability includes the potential for data tampering or denial of service on affected systems running the NVIDIA GPU Display Driver.

Technical Details of CVE-2021-1090

In this section, we delve into the specifics of the CVE-2021-1090 vulnerability.

Vulnerability Description

The vulnerability arises in the kernel mode layer handler (nvlddmkm.sys) for control calls, allowing unauthorized access to memory locations beyond the buffer's end.

Affected Systems and Versions

All versions of the NVIDIA GPU Display Driver are affected by CVE-2021-1090, impacting both Windows and Linux systems.

Exploitation Mechanism

The vulnerability can be exploited when the software accesses memory locations beyond the buffer's bounds, enabling potential data tampering or denial of service attacks.

Mitigation and Prevention

This section outlines the measures to mitigate the risks associated with CVE-2021-1090.

Immediate Steps to Take

Users are advised to apply patches and updates provided by NVIDIA promptly to address the vulnerability and enhance system security.

Long-Term Security Practices

Implementing robust security practices, such as regular software updates and monitoring, can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly checking for and applying security patches released by NVIDIA is crucial to ensure the continued protection of systems against CVE-2021-1090.