CVE-2025-23330
📋 TL;DR
NVIDIA Display Driver for Linux contains a null pointer dereference vulnerability that could allow an attacker to cause a denial of service. This affects Linux systems with vulnerable NVIDIA GPU drivers installed. The vulnerability requires local access to exploit.
💻 Affected Systems
- NVIDIA Display Driver for Linux
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or kernel panic requiring reboot, potentially causing data loss or service disruption.
Likely Case
Display driver crash leading to temporary loss of graphical interface until driver restart.
If Mitigated
Minimal impact with proper access controls preventing unauthorized local execution.
🎯 Exploit Status
Requires local access and ability to execute code; null pointer dereference typically requires specific conditions to trigger.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check NVIDIA advisory for specific fixed driver versions
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5703
Restart Required: No
Instructions:
1. Visit NVIDIA driver download page. 2. Download latest driver for your GPU and Linux distribution. 3. Install using package manager or NVIDIA installer. 4. Verify installation with nvidia-smi command.
🔧 Temporary Workarounds
Restrict local access
allLimit local user access to systems with vulnerable drivers to trusted users only.
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local execution
- Monitor system logs for driver crashes or unusual activity
🔍 How to Verify
Check if Vulnerable:
Check NVIDIA driver version with 'nvidia-smi' or 'cat /proc/driver/nvidia/version' and compare against NVIDIA advisory.Check Version:
nvidia-smi | grep 'Driver Version'Verify Fix Applied:
Verify driver version after update matches or exceeds fixed version in NVIDIA advisory.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Display driver crash messages in system logs
- Xorg or Wayland session failures
Network Indicators:
- None - local vulnerability only
SIEM Query:
Search for 'nvidia driver crash', 'kernel panic', or 'null pointer dereference' in system logs