CVE-2025-23301
📋 TL;DR
NVIDIA HGX and DGX systems contain a vulnerability where improper VBIOS configuration allows attackers to set unsafe debug access levels. This could lead to denial of service conditions. The vulnerability affects NVIDIA HGX and DGX platforms with specific firmware versions.
💻 Affected Systems
- NVIDIA HGX
- NVIDIA DGX
⚠️ 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 denial of service, rendering the affected NVIDIA platform unusable until manual recovery.
Likely Case
Partial system instability or performance degradation due to debug access interference.
If Mitigated
Minimal impact with proper access controls and monitoring in place.
🎯 Exploit Status
Requires local access or privileged network position; no public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to NVIDIA advisory for specific patched firmware versions
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5674
Restart Required: Yes
Instructions:
1. Review NVIDIA advisory for affected versions. 2. Download appropriate firmware update from NVIDIA. 3. Apply firmware update following NVIDIA documentation. 4. Reboot system to activate new firmware.
🔧 Temporary Workarounds
Restrict Management Interface Access
allLimit access to system management interfaces to authorized personnel only
Configure network ACLs to restrict access to management interfaces
Implement strong authentication for management access
🧯 If You Can't Patch
- Isolate affected systems from untrusted networks
- Implement strict access controls and monitoring for management interfaces
🔍 How to Verify
Check if Vulnerable:
Check current firmware version against NVIDIA advisory using platform management toolsCheck Version:
Use NVIDIA platform-specific commands (e.g., nvidia-smi for GPU info, platform-specific BMC commands)Verify Fix Applied:
Verify firmware version has been updated to patched version using platform management interface📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to management interfaces
- Unexpected system reboots or instability
- Debug access level changes in system logs
Network Indicators:
- Unusual traffic to management interfaces from unauthorized sources
SIEM Query:
source_ip IN (management_network) AND (event_type='access_denied' OR event_type='unauthorized_access')