CVE-2021-1115 : What You Need to Know
Discover the impact of CVE-2021-1115, a vulnerability in NVIDIA GPU Display Driver on Windows, with a medium severity, affecting all versions. Find mitigation strategies and immediate steps to prevent exploitation.
NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for private IOCTLs, allowing an attacker with local unprivileged system access to cause a NULL pointer dereference. This could result in a denial of service beyond the vulnerable component.
Understanding CVE-2021-1115
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-1115.
What is CVE-2021-1115?
CVE-2021-1115 is a vulnerability found in the NVIDIA GPU Display Driver for Windows, which could be exploited by an attacker with local system access to trigger a denial of service by causing a NULL pointer dereference.
The Impact of CVE-2021-1115
The vulnerability's CVSS v3.1 base score is 6.5, classifying it as a medium-severity issue. It presents a low attack complexity and can result in high availability impact.
Technical Details of CVE-2021-1115
Let's delve into the specific technical aspects of CVE-2021-1115.
Vulnerability Description
The vulnerability arises in the kernel mode layer's handler for private IOCTLs in the NVIDIA GPU Display Driver for Windows, leading to a NULL pointer dereference.
Affected Systems and Versions
All versions of NVIDIA GPU Display Driver are impacted by this vulnerability.
Exploitation Mechanism
To exploit this vulnerability, an attacker would require local unprivileged system access to trigger the NULL pointer dereference.
Mitigation and Prevention
Explore the steps necessary to address and prevent CVE-2021-1115.
Immediate Steps to Take
It is recommended to apply vendor-issued patches promptly to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Maintain proper system hygiene, limit local system access, and monitor for any unusual activities to enhance long-term security.
Patching and Updates
Regularly update the NVIDIA GPU Display Driver software to ensure that known vulnerabilities are remediated and system security is bolstered.