CVE-2019-5671: DoS in NVIDIA GPU Graphics Driver

An attacker exploiting CVE-2019-5671 can trigger a denial-of-service condition, effectively crashing the system. This occurs when the vulnerable DxgkDdiEscape handler fails to release a resource, leading to resource exhaustion and ultimately a system halt. The impact is significant as it can disrupt critical operations and potentially lead to data loss. While the vulnerability doesn't directly allow for code execution, the resulting system crash can be leveraged to cause further disruption or potentially mask other malicious activities. The blast radius is limited to the affected system, but widespread deployment of the driver increases the potential for impact.

1. Reserved2019-01-07
2. Published2019-02-27
3. Modified2024-09-17
4. EPSS updated2026-04-02

The primary mitigation for CVE-2019-5671 is to upgrade to a patched version of the NVIDIA GPU Graphics Driver. NVIDIA released updates to address this vulnerability; consult the NVIDIA security advisories for specific driver versions containing the fix. If immediate patching is not possible, consider implementing temporary workarounds such as limiting access to the DxgkDdiEscape functionality or monitoring system resources for unusual behavior. After upgrading, confirm the fix by running a system stability test and verifying that the driver version is the patched version.