CVE-2025-68957
📋 TL;DR
A race condition vulnerability in the card framework module allows attackers to disrupt system availability through multi-threaded exploitation. This affects Huawei consumer devices including laptops, wearables, and other products. Attackers can cause denial of service by exploiting timing issues in concurrent thread execution.
💻 Affected Systems
- Huawei laptops
- Huawei wearables
- Huawei consumer devices with card framework
📦 What is this software?
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash or persistent denial of service affecting all card framework functionality
Likely Case
Temporary service disruption or application instability requiring restart
If Mitigated
Minimal impact with proper thread synchronization and monitoring
🎯 Exploit Status
Exploitation requires understanding of race conditions and multi-threading; likely requires local access or malicious application installation
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletins for specific patched versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2026/1/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletins for your device model. 2. Apply available system updates through official channels. 3. Restart device after update installation.
🔧 Temporary Workarounds
Disable unnecessary card services
allReduce attack surface by disabling non-essential card framework services
Application whitelisting
allRestrict which applications can access card framework APIs
🧯 If You Can't Patch
- Isolate affected devices from critical networks
- Implement strict application control policies to prevent malicious apps
🔍 How to Verify
Check if Vulnerable:
Check device version against Huawei security bulletins; examine if card framework services are runningCheck Version:
Check device settings > About phone/device > Version informationVerify Fix Applied:
Verify system version matches patched versions in Huawei advisories; test card framework functionality📡 Detection & Monitoring
Log Indicators:
- Unexpected card framework crashes
- Multiple simultaneous thread access errors
- Service restart patterns
Network Indicators:
- Unusual local service communication patterns
SIEM Query:
Search for card framework service crashes or abnormal thread termination events