CVE-2023-47210
📋 TL;DR
An improper input validation vulnerability in Intel PROSet/Wireless WiFi software for Linux allows unauthenticated attackers on the same network to potentially cause denial of service. This affects Linux systems running vulnerable versions of Intel WiFi drivers. The attack requires adjacent network access, meaning the attacker must be on the same local network segment.
💻 Affected Systems
- Intel PROSet/Wireless WiFi software 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
Complete WiFi service disruption on affected systems, requiring system reboot to restore functionality.
Likely Case
Temporary WiFi connectivity loss or degraded performance on targeted systems.
If Mitigated
Minimal impact with proper network segmentation and updated software.
🎯 Exploit Status
Exploitation requires adjacent network access and knowledge of vulnerable systems. No authentication needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 23.20 or later
Vendor Advisory: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01039.html
Restart Required: Yes
Instructions:
1. Check current driver version. 2. Download version 23.20 or later from Intel. 3. Install updated driver package. 4. Reboot system to apply changes.
🔧 Temporary Workarounds
Network Segmentation
allIsolate WiFi networks to limit adjacent access attack surface
Disable Vulnerable WiFi
linuxTemporarily disable WiFi and use wired Ethernet if possible
sudo ip link set wlan0 down
🧯 If You Can't Patch
- Implement strict network segmentation to limit adjacent access
- Monitor for unusual WiFi disconnection patterns and network traffic
🔍 How to Verify
Check if Vulnerable:
Check Intel WiFi driver version and compare to vulnerable range (before 23.20)Check Version:
modinfo iwlwifi | grep versionVerify Fix Applied:
Confirm driver version is 23.20 or later and WiFi functionality is normal📡 Detection & Monitoring
Log Indicators:
- Unexpected WiFi driver crashes
- Multiple WiFi disconnection events
- Kernel panic logs related to WiFi
Network Indicators:
- Unusual broadcast/multicast traffic targeting WiFi management frames
- Suspicious adjacent network scanning
SIEM Query:
source="kernel" AND ("iwlwifi" OR "Intel WiFi") AND ("crash" OR "panic" OR "disconnect")