CVE-2022-25651
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code or cause denial of service via memory corruption in Qualcomm Bluetooth chips. It affects devices using Snapdragon processors with Bluetooth HFP-UNIT profile enabled, including automotive, IoT, mobile, and voice/music products.
💻 Affected Systems
- Snapdragon Auto
- Snapdragon Consumer IoT
- Snapdragon Industrial IoT
- Snapdragon Mobile
- Snapdragon Voice & Music
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, or permanent device damage via memory corruption.
Likely Case
Denial of service (device crash/reboot) or limited code execution in Bluetooth stack context.
If Mitigated
No impact if Bluetooth is disabled or devices are patched with updated firmware.
🎯 Exploit Status
Exploitation requires Bluetooth proximity and knowledge of vulnerable devices, but no authentication is needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware updates released in June 2022 security bulletins
Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin
Restart Required: Yes
Instructions:
1. Check device manufacturer for firmware updates. 2. Apply Qualcomm-provided patches through OEM channels. 3. Reboot device after update.
🔧 Temporary Workarounds
Disable Bluetooth HFP-UNIT profile
allDisable Hands-Free Profile UNIT functionality to prevent exploitation vector
Device-specific Bluetooth configuration commands vary by manufacturer
Disable Bluetooth when not needed
linuxTurn off Bluetooth completely to eliminate attack surface
bluetoothctl power off
settings put global bluetooth_on 0
🧯 If You Can't Patch
- Segment Bluetooth networks and limit device proximity to untrusted devices
- Implement physical security controls to prevent unauthorized Bluetooth access
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Qualcomm June 2022 security bulletin. Use 'getprop ro.build.fingerprint' on Android or manufacturer-specific firmware check commands.Check Version:
Device-specific: Android: 'getprop ro.build.version.security_patch', Linux: check /etc/os-release and firmware versionVerify Fix Applied:
Confirm firmware version includes June 2022 security patches. Verify Bluetooth functionality remains operational after patch.📡 Detection & Monitoring
Log Indicators:
- Bluetooth stack crashes
- HFP-UNIT protocol anomalies
- Memory corruption errors in system logs
Network Indicators:
- Unusual Bluetooth HFP-UNIT traffic patterns
- Malformed Bluetooth packets
SIEM Query:
source="bluetooth" AND (event="crash" OR event="memory_error" OR protocol="HFP-UNIT")