CVE-2025-47343
📋 TL;DR
This CVE describes a memory corruption vulnerability in Qualcomm video processing components that could allow attackers to execute arbitrary code or cause denial of service. The vulnerability affects devices using Qualcomm chipsets with vulnerable video processing firmware. Attackers could potentially exploit this by sending specially crafted video parameters to trigger the memory corruption.
💻 Affected Systems
- Qualcomm chipsets with video processing capabilities
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation on affected devices.
Likely Case
Application crash or denial of service affecting video functionality, potentially requiring device restart.
If Mitigated
Limited impact with proper memory protection mechanisms and exploit mitigations in place.
🎯 Exploit Status
Exploitation requires ability to initiate video sessions and send crafted parameters. Memory corruption vulnerabilities typically require specific conditions to achieve reliable exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Qualcomm security bulletin for specific firmware versions
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html
Restart Required: Yes
Instructions:
1. Check Qualcomm security bulletin for affected chipset models. 2. Contact device manufacturer for firmware updates. 3. Apply firmware updates provided by device OEM. 4. Reboot device after update installation.
🔧 Temporary Workarounds
Disable vulnerable video components
allTemporarily disable or restrict access to video processing features if not required
# System-specific commands would depend on device configuration
Network segmentation
allIsolate devices with vulnerable components from untrusted networks
🧯 If You Can't Patch
- Implement strict network controls to limit video session initiation from untrusted sources
- Monitor for abnormal video processing behavior or crashes in system logs
🔍 How to Verify
Check if Vulnerable:
Check device chipset model and firmware version against Qualcomm's affected products listCheck Version:
# Android: getprop ro.bootloader or check Settings > About phone
# Linux-based: Check /proc/cpuinfo and firmware versionVerify Fix Applied:
Verify firmware version has been updated to patched version specified in Qualcomm advisory📡 Detection & Monitoring
Log Indicators:
- Video processing service crashes
- Memory corruption errors in system logs
- Abnormal video session termination
Network Indicators:
- Unusual video session initiation patterns
- Multiple failed video parameter negotiations
SIEM Query:
source="system_logs" AND ("video" OR "memory corruption" OR "segfault") AND process="video_processor"