CVE-2024-54120
📋 TL;DR
This CVE describes a race condition vulnerability in a distributed notification module that could cause abnormal feature behavior when exploited. It affects Huawei products with the vulnerable module, potentially impacting system reliability and functionality.
💻 Affected Systems
- Huawei products with distributed notification module
📦 What is this software?
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
System instability, service disruption, or denial of service affecting critical functionality
Likely Case
Intermittent feature malfunctions, notification failures, or degraded performance
If Mitigated
Minimal impact with proper isolation and monitoring
🎯 Exploit Status
Race conditions typically require precise timing and access to vulnerable component
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific fixed versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/1/
Restart Required: Yes
Instructions:
1. Review Huawei security bulletin for affected products. 2. Download and apply recommended patches. 3. Restart affected services/systems. 4. Verify patch application.
🔧 Temporary Workarounds
Isolate vulnerable components
allRestrict access to distributed notification services to minimize exposure
Implement rate limiting
allAdd rate limiting to notification services to reduce race condition opportunities
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems
- Enhance monitoring for abnormal notification patterns or system behavior
🔍 How to Verify
Check if Vulnerable:
Check system version against Huawei security bulletin and verify distributed notification module is presentCheck Version:
System-specific command per Huawei product documentationVerify Fix Applied:
Verify patch version is installed and monitor for abnormal notification behavior📡 Detection & Monitoring
Log Indicators:
- Multiple simultaneous notification requests
- Notification timeouts or failures
- Race condition error messages
Network Indicators:
- Unusual notification traffic patterns
- High frequency of notification requests
SIEM Query:
Search for 'notification race condition' or 'concurrent notification errors' in system logs