CVE-2019-5668 : Security Advisory and Response
Learn about CVE-2019-5668, a vulnerability in NVIDIA GPU Graphics Driver that could lead to denial of service or privilege escalation. Find mitigation steps and prevention measures here.
This CVE involves a vulnerability in the NVIDIA GPU Graphics Driver that could lead to denial of service or privilege escalation.
Understanding CVE-2019-5668
This vulnerability affects the NVIDIA Windows GPU Display Driver, potentially allowing unauthorized privilege escalation or denial of service attacks.
What is CVE-2019-5668?
The flaw in the NVIDIA GPU Graphics Driver's kernel mode layer could be exploited to cause a denial of service or unauthorized privilege escalation.
The Impact of CVE-2019-5668
The vulnerability could result in a denial of service condition or unauthorized elevation of privileges on affected systems.
Technical Details of CVE-2019-5668
The technical aspects of this CVE include:
Vulnerability Description
The flaw lies in the kernel mode layer of the NVIDIA GPU Graphics Driver, specifically in the handler for DxgkDdiSubmitCommandVirtual, where a NULL pointer dereference occurs.
Affected Systems and Versions
- Product: NVIDIA GPU Graphics Driver
- Vendor: Nvidia Corporation
- Affected Version: All versions
Exploitation Mechanism
The vulnerability arises from the application mistakenly referencing a pointer it assumes to be valid but is actually NULL, potentially leading to denial of service or privilege escalation.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2019-5668.
Immediate Steps to Take
- Monitor vendor security advisories for patches and updates.
- Implement the recommended security measures provided by Nvidia.
Long-Term Security Practices
- Regularly update the NVIDIA GPU Graphics Driver to the latest version.
- Employ defense-in-depth strategies to enhance overall system security.
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Educate users on safe computing practices to prevent exploitation.
Patching and Updates
- Apply patches and updates released by Nvidia promptly to address the vulnerability and enhance system security.