CVE-2025-23332
📋 TL;DR
The NVIDIA Display Driver for Linux contains a null pointer dereference vulnerability in a kernel module. An attacker could trigger this to cause a denial of service, potentially crashing the system. This affects Linux systems using vulnerable NVIDIA GPU drivers.
💻 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
Kernel panic leading to system crash and complete denial of service, requiring physical or remote reboot.
Likely Case
Local denial of service affecting GPU functionality or system stability, potentially requiring reboot.
If Mitigated
Limited impact with proper access controls preventing local attackers from exploiting the vulnerability.
🎯 Exploit Status
Requires local access and ability to interact with kernel module; typical exploitation would involve specially crafted system calls.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check NVIDIA advisory for specific patched driver versions
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5703
Restart Required: No
Instructions:
1. Check current NVIDIA driver version with 'nvidia-smi'. 2. Visit NVIDIA driver download page. 3. Download and install latest driver version. 4. Reboot if required by driver installation.
🔧 Temporary Workarounds
Restrict local access
allLimit local user access to systems with vulnerable drivers to reduce attack surface.
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local users from accessing systems.
- Monitor system logs for unusual kernel module activity or crash events.
🔍 How to Verify
Check if Vulnerable:
Run 'nvidia-smi' to check driver version and compare against NVIDIA advisory for affected versions.Check Version:
nvidia-smi | grep 'Driver Version'Verify Fix Applied:
Verify driver version after update matches or exceeds patched version listed in NVIDIA advisory.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- System crash reports
- NVIDIA driver error messages in dmesg or syslog
Network Indicators:
- None - local exploitation only
SIEM Query:
Search for 'kernel panic' or 'NVIDIA' AND 'crash' in system logs.