CVE-2025-47337
📋 TL;DR
This CVE describes a use-after-free vulnerability (CWE-416) in Qualcomm synchronization objects that can lead to memory corruption during concurrent operations. Attackers could potentially exploit this to execute arbitrary code or cause denial of service. The vulnerability affects Qualcomm products and devices using affected chipsets.
💻 Affected Systems
- Qualcomm chipsets and devices using affected synchronization mechanisms
📦 What is this software?
Snapdragon 8 Gen 2 Mobile Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 2 Mobile Platform Firmware →
Snapdragon 8 Gen 2 Mobile Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 2 Mobile Platform Firmware →
Snapdragon 8 Gen 3 Mobile Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 3 Mobile Platform Firmware →
Snapdragon Ar1 Gen 1 Platform \"luna1\" Firmware by Qualcomm
View all CVEs affecting Snapdragon Ar1 Gen 1 Platform \"luna1\" Firmware →
Snapdragon Ar1 Gen 1 Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon Ar1 Gen 1 Platform Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation.
Likely Case
Application or system crash causing denial of service, potentially leading to device instability.
If Mitigated
Limited impact with proper memory protection mechanisms and exploit mitigations in place.
🎯 Exploit Status
Exploitation requires precise timing and concurrent operations; no public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Qualcomm January 2026 security bulletin for specific patched versions
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html
Restart Required: Yes
Instructions:
1. Check Qualcomm advisory for affected chipset versions. 2. Obtain firmware/software updates from device manufacturer. 3. Apply patches following manufacturer instructions. 4. Reboot device to activate fixes.
🔧 Temporary Workarounds
Disable unnecessary concurrent operations
allReduce exposure by minimizing concurrent access to synchronization objects where possible
Implement memory protection
linuxEnable ASLR, DEP, and other memory protection mechanisms to reduce exploit success
echo 2 > /proc/sys/kernel/randomize_va_space
sysctl -w kernel.exec-shield=1
🧯 If You Can't Patch
- Isolate affected systems from untrusted networks
- Implement strict access controls and monitor for abnormal system behavior
🔍 How to Verify
Check if Vulnerable:
Check device firmware/chipset version against Qualcomm advisory; examine system logs for synchronization-related crashesCheck Version:
cat /proc/version | grep -i qualcomm OR check device firmware settingsVerify Fix Applied:
Verify updated firmware version matches patched versions in Qualcomm bulletin; test concurrent operations📡 Detection & Monitoring
Log Indicators:
- Kernel panics
- Application crashes with memory access violations
- Synchronization-related error messages
Network Indicators:
- Unusual process spawning after memory corruption events
- Anomalous system behavior patterns
SIEM Query:
source="kernel" AND ("panic" OR "segfault" OR "use-after-free") AND "synchronization"