CVE-2025-68969
📋 TL;DR
A race condition vulnerability in the thermal management module allows concurrent threads to interfere with temperature control operations. This could lead to system instability or crashes, affecting Huawei laptop users with vulnerable firmware versions.
💻 Affected Systems
- Huawei laptops with vulnerable thermal management firmware
📦 What is this software?
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or hardware damage due to uncontrolled thermal conditions, potentially requiring hardware replacement.
Likely Case
System instability, unexpected reboots, or performance degradation during high CPU/GPU loads.
If Mitigated
Minor performance impact or no noticeable effect with proper thermal monitoring in place.
🎯 Exploit Status
Requires local access and ability to trigger specific multi-threaded operations that stress thermal management.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei support bulletins for specific firmware versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2026/1/
Restart Required: Yes
Instructions:
1. Visit Huawei support website. 2. Download latest BIOS/firmware update for your laptop model. 3. Run the update utility. 4. Restart system as prompted.
🔧 Temporary Workarounds
Limit CPU/GPU intensive operations
allReduce likelihood of triggering race condition by avoiding sustained high thermal loads
Enable power saving modes
windowsUse power management settings to limit maximum processor performance
powercfg /setactive SCHEME_MIN
🧯 If You Can't Patch
- Monitor system temperatures closely and shut down if abnormal readings occur
- Implement strict physical access controls to prevent local exploitation
🔍 How to Verify
Check if Vulnerable:
Check BIOS/firmware version against Huawei's vulnerable version list in their advisoryCheck Version:
wmic bios get smbiosbiosversion (Windows) or dmidecode -s bios-version (Linux)Verify Fix Applied:
Confirm BIOS/firmware version matches or exceeds patched version from Huawei advisory📡 Detection & Monitoring
Log Indicators:
- Unexpected system reboots
- Thermal shutdown events
- BIOS/firmware error logs
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
EventID=6008 (Unexpected shutdown) OR EventID=41 (Kernel-Power) on Windows systems