CVE-2024-45544
📋 TL;DR
This vulnerability allows memory corruption through improper handling of IOCTL calls when adding route entries in Qualcomm hardware. Attackers could potentially execute arbitrary code or cause denial of service on affected systems. This affects devices using vulnerable Qualcomm chipsets.
💻 Affected Systems
- Qualcomm chipsets with vulnerable hardware components
📦 What is this software?
Snapdragon 865 5g Mobile Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 865 5g Mobile Platform Firmware →
Snapdragon 865\+ 5g Mobile Platform \(sm8250 Ab\) Firmware by Qualcomm
View all CVEs affecting Snapdragon 865\+ 5g Mobile Platform \(sm8250 Ab\) Firmware →
Snapdragon 870 5g Mobile Platform \(sm8250 Ac\) Firmware by Qualcomm
View all CVEs affecting Snapdragon 870 5g Mobile Platform \(sm8250 Ac\) Firmware →
Snapdragon Auto 5g Modem Rf Gen 2 Firmware by Qualcomm
View all CVEs affecting Snapdragon Auto 5g Modem Rf Gen 2 Firmware →
Snapdragon W5\+ Gen 1 Wearable Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon W5\+ Gen 1 Wearable Platform Firmware →
Snapdragon X55 5g Modem Rf System Firmware by Qualcomm
View all CVEs affecting Snapdragon X55 5g Modem Rf System Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation.
Likely Case
Local privilege escalation or denial of service affecting device stability and performance.
If Mitigated
Limited impact with proper access controls preventing unauthorized IOCTL calls.
🎯 Exploit Status
Exploitation requires understanding of Qualcomm hardware IOCTL interface and memory layout
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Qualcomm April 2025 security bulletin for specific chipset firmware updates
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html
Restart Required: Yes
Instructions:
1. Check Qualcomm advisory for affected chipset models. 2. Obtain firmware update from device manufacturer. 3. Apply firmware update following manufacturer instructions. 4. Reboot device.
🔧 Temporary Workarounds
Restrict IOCTL access
linuxLimit access to vulnerable IOCTL interfaces through SELinux/AppArmor policies or kernel module restrictions
# Example SELinux policy to restrict ioctl access
# require specific SELinux policy configuration
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized applications from making IOCTL calls
- Monitor system logs for unusual IOCTL activity and implement network segmentation
🔍 How to Verify
Check if Vulnerable:
Check device chipset model and firmware version against Qualcomm advisory; examine dmesg for IOCTL-related errorsCheck Version:
cat /proc/cpuinfo | grep -i qualcomm && getprop ro.build.fingerprintVerify Fix Applied:
Verify firmware version has been updated to patched version; test IOCTL functionality if possible📡 Detection & Monitoring
Log Indicators:
- Unusual IOCTL calls in kernel logs
- Memory corruption errors in dmesg
- Unexpected process crashes
Network Indicators:
- Unusual local network traffic from system processes
- Anomalous inter-process communication
SIEM Query:
source="kernel" AND ("ioctl" OR "memory corruption" OR "segfault") AND process="system_process"