CVE-2025-31146
📋 TL;DR
A time-of-check time-of-use race condition vulnerability in Intel Ethernet Adapter Complete Driver Pack software before version 1.5.1.0 allows unprivileged user applications to cause denial of service. This affects systems with vulnerable Intel Ethernet adapter drivers installed, requiring an authenticated user with local access to exploit.
💻 Affected Systems
- Intel Ethernet Adapter Complete Driver Pack software
⚠️ 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 requiring reboot, potentially disrupting critical network-dependent services.
Likely Case
Local denial of service affecting network connectivity for the targeted system, requiring administrative intervention to restore.
If Mitigated
Minimal impact with proper access controls limiting local user privileges and network segmentation.
🎯 Exploit Status
Requires authenticated user access and local execution. Race condition exploitation requires precise timing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.1.0 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01376.html
Restart Required: Yes
Instructions:
1. Download Intel Ethernet Adapter Complete Driver Pack version 1.5.1.0 or later from Intel website. 2. Run installer with administrative privileges. 3. Follow on-screen instructions. 4. Restart system when prompted.
🔧 Temporary Workarounds
Restrict local user privileges
allLimit standard user privileges to reduce attack surface for local exploitation.
Network segmentation
allIsolate systems with vulnerable drivers from critical network segments.
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges on affected systems
- Monitor for unusual network disruption events and implement network redundancy
🔍 How to Verify
Check if Vulnerable:
Check driver version in Device Manager (Windows) or via 'ethtool -i <interface>' (Linux) and compare to vulnerable versions.Check Version:
Windows: Get-WmiObject Win32_PnPSignedDriver | Where-Object {$_.DeviceName -like '*Intel*Ethernet*'} | Select-Object DeviceName, DriverVersion; Linux: ethtool -i <interface_name> | grep versionVerify Fix Applied:
Verify driver version is 1.5.1.0 or later after update and restart.📡 Detection & Monitoring
Log Indicators:
- System crash logs
- Network interface reset events
- Unexpected driver reloads
Network Indicators:
- Sudden loss of network connectivity on specific hosts
- ARP/MAC address flapping
SIEM Query:
EventID: 6008 OR (Source: 'System' AND EventID: 41) OR (Source: 'e1dexpress' OR 'e1d' in Windows logs)