CVE-2025-23241
📋 TL;DR
An integer overflow vulnerability in Intel 800 Series Ethernet kernel drivers allows authenticated local users to cause denial of service. This affects Linux systems using vulnerable Intel Ethernet drivers before version 1.17.2.
💻 Affected Systems
- Intel 800 Series Ethernet Controllers
⚠️ 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 unavailability of affected server
Likely Case
Local denial of service affecting network connectivity and system stability
If Mitigated
Minimal impact with proper access controls limiting local user privileges
🎯 Exploit Status
Requires local authenticated access and knowledge of driver interaction
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.17.2 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01296.html
Restart Required: Yes
Instructions:
1. Check current driver version. 2. Update to Intel Ethernet driver 1.17.2 or later. 3. Reboot system to load new driver.
🔧 Temporary Workarounds
Restrict local user access
linuxLimit local user privileges to reduce attack surface
# Review and restrict sudo privileges
# Implement least privilege access controls
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges
- Monitor systems for unusual driver behavior or crashes
🔍 How to Verify
Check if Vulnerable:
Check Intel Ethernet driver version: modinfo e1000e | grep versionCheck Version:
modinfo e1000e | grep versionVerify Fix Applied:
Verify driver version is 1.17.2 or later: modinfo e1000e | grep version📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Driver crash messages in dmesg
- Network interface failures
Network Indicators:
- Sudden loss of network connectivity on affected interfaces
SIEM Query:
source="kernel" AND ("panic" OR "oops") AND "e1000e"