CVE-2024-32941
📋 TL;DR
A NULL pointer dereference vulnerability in Intel MLC software before version 3.11b allows authenticated local users to potentially cause denial of service. This affects systems running vulnerable versions of Intel MLC software, primarily impacting environments where this memory latency checker tool is deployed.
💻 Affected Systems
- Intel Memory Latency Checker (MLC) 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 crash or kernel panic requiring physical reboot, disrupting all services on the affected system.
Likely Case
Application crash or system instability affecting the MLC software functionality and potentially related processes.
If Mitigated
Minimal impact with proper access controls limiting local authenticated user privileges.
🎯 Exploit Status
Requires authenticated local access and specific conditions to trigger the NULL pointer dereference.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v3.11b or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01238.html
Restart Required: No
Instructions:
1. Download Intel MLC v3.11b or later from Intel's website. 2. Stop any running MLC processes. 3. Install the updated version following Intel's installation guide. 4. Verify the new version is running correctly.
🔧 Temporary Workarounds
Restrict MLC access
allLimit access to Intel MLC software to only trusted administrators
chmod 750 /path/to/mlc
chown root:root /path/to/mlc
Remove MLC if unused
LinuxUninstall Intel MLC software if not required for operations
sudo apt remove intel-mlc
sudo yum remove intel-mlc
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized users from executing MLC
- Monitor system logs for MLC-related crashes or unusual activity
🔍 How to Verify
Check if Vulnerable:
Check Intel MLC version: ./mlc --version or check installed package version
Check Version:
./mlc --version 2>&1 | grep -i version
Verify Fix Applied:
Confirm version is v3.11b or later and test basic MLC functionality
📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- MLC process crash dumps
- Segmentation fault errors related to MLC
Network Indicators:
- None - local vulnerability only
SIEM Query:
process_name:"mlc" AND (event_type:"crash" OR error:"segmentation fault")