CVE-2025-54642
📋 TL;DR
A buffer overflow vulnerability in the kernel gyroscope module allows attackers to crash or destabilize affected systems by sending malformed data. This affects availability of devices with vulnerable gyroscope hardware drivers. Huawei devices with specific kernel versions are primarily impacted.
💻 Affected Systems
- Huawei devices with gyroscope sensors
📦 What is this software?
Emui by Huawei
Emui by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
Harmonyos by Huawei
⚠️ Risk & Real-World Impact
Worst Case
Kernel panic leading to complete system crash and denial of service, requiring physical reboot.
Likely Case
System instability, application crashes, or temporary unresponsiveness requiring restart.
If Mitigated
Minimal impact with proper input validation and memory protection mechanisms enabled.
🎯 Exploit Status
Exploitation requires understanding of gyroscope data structures and kernel memory layout. No public exploits known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Huawei security bulletin for specific patched kernel versions
Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/8/
Restart Required: Yes
Instructions:
1. Check Huawei security bulletin for affected devices. 2. Apply latest system updates via Settings > System > Software Update. 3. Reboot device after update completes.
🔧 Temporary Workarounds
Disable gyroscope functionality
AndroidTemporarily disable gyroscope sensors to prevent exploitation
adb shell pm disable com.android.settings/.SensorsSettings
🧯 If You Can't Patch
- Restrict physical access to devices and monitor for unusual gyroscope activity
- Implement application sandboxing to limit gyroscope access to trusted applications only
🔍 How to Verify
Check if Vulnerable:
Check kernel version against Huawei advisory: adb shell cat /proc/versionCheck Version:
adb shell cat /proc/versionVerify Fix Applied:
Verify kernel version matches patched version from Huawei bulletin📡 Detection & Monitoring
Log Indicators:
- Kernel panic messages in dmesg
- Unexpected gyroscope driver errors
- System crash reports
Network Indicators:
- None - local exploitation only
SIEM Query:
source="kernel" AND ("panic" OR "oops" OR "gyroscope")