CVE-2025-33214
📋 TL;DR
NVIDIA NVTabular for Linux has a deserialization vulnerability in its Workflow component that could allow attackers to execute arbitrary code, cause denial of service, disclose information, or tamper with data. This affects systems running vulnerable versions of NVTabular, particularly those processing untrusted data through the Workflow component.
💻 Affected Systems
- NVIDIA NVTabular
⚠️ 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
Remote code execution with full system compromise, data exfiltration, and persistent backdoor installation
Likely Case
Denial of service through application crashes or data corruption in workflow processing
If Mitigated
Limited impact with proper input validation and network segmentation
🎯 Exploit Status
Exploitation requires ability to submit malicious serialized data to the Workflow component
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check NVIDIA advisory for specific patched version
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5739
Restart Required: Yes
Instructions:
1. Review NVIDIA security advisory
2. Update NVTabular to patched version
3. Restart affected services
4. Validate workflow functionality
🔧 Temporary Workarounds
Restrict Workflow Input Sources
linuxLimit workflow data sources to trusted internal systems only
Network Segmentation
allIsolate NVTabular systems from untrusted networks
🧯 If You Can't Patch
- Implement strict input validation for all workflow data
- Monitor for anomalous workflow processing behavior
🔍 How to Verify
Check if Vulnerable:
Check NVTabular version against NVIDIA advisoryCheck Version:
python -c "import nvtabular; print(nvtabular.__version__)"Verify Fix Applied:
Confirm version is updated to patched release and test workflow functionality📡 Detection & Monitoring
Log Indicators:
- Unusual workflow processing errors
- Unexpected process spawns from NVTabular
- Memory allocation failures
Network Indicators:
- Unexpected connections from NVTabular processes
- Anomalous data transfers
SIEM Query:
source="nvtabular" AND (error OR exception OR crash)