CVE-2022-28184
📋 TL;DR
This vulnerability in NVIDIA GPU Display Driver allows unprivileged users to access privileged kernel registers through the DxgkDdiEscape handler. This could lead to denial of service, information disclosure, or data tampering. Affects users of NVIDIA GPU drivers on Windows and Linux systems.
💻 Affected Systems
- NVIDIA GPU Display Driver
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through privilege escalation leading to data theft, system manipulation, or persistent backdoor installation.
Likely Case
Local denial of service (system crashes/instability) and potential information disclosure from kernel memory.
If Mitigated
Limited impact if proper user access controls and privilege separation are enforced, though kernel-level access remains dangerous.
🎯 Exploit Status
Requires local user access but no admin privileges. Kernel-level vulnerabilities are attractive targets for sophisticated attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: R470 GA driver branch: 470.161.03 or later; R510 GA driver branch: 510.47.03 or later
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5353
Restart Required: Yes
Instructions:
1. Download latest NVIDIA driver from official website. 2. Run installer with administrative privileges. 3. Follow on-screen instructions. 4. Restart system when prompted.
🔧 Temporary Workarounds
Restrict User Access
allLimit physical and remote access to systems with vulnerable drivers to trusted users only.
Disable GPU Passthrough
allIn virtualized environments, disable GPU passthrough to prevent VM users from accessing vulnerable drivers.
🧯 If You Can't Patch
- Implement strict user access controls and privilege separation
- Monitor systems for unusual kernel-level activity or crashes
🔍 How to Verify
Check if Vulnerable:
Check NVIDIA driver version: Windows - Open NVIDIA Control Panel > System Information; Linux - Run 'nvidia-smi' or check /proc/driver/nvidia/versionCheck Version:
Windows: nvidia-smi | findstr "Driver Version"; Linux: nvidia-smi --query-gpu=driver_version --format=csvVerify Fix Applied:
Verify driver version is R470.161.03+ or R510.47.03+ using same methods📡 Detection & Monitoring
Log Indicators:
- System crashes (BSOD on Windows, kernel panics on Linux)
- Unusual access to nvlddmkm.sys or GPU resources
- Failed privilege escalation attempts
Network Indicators:
- Not network exploitable - local vulnerability only
SIEM Query:
Windows: EventID 41 (Kernel-Power) with bugcheck code; Linux: kernel panic logs mentioning nvidia or GPU