CVE-2024-45541
📋 TL;DR
This vulnerability allows user-space applications to trigger memory corruption through an IOCTL call when reading board data. It affects systems using Qualcomm hardware with vulnerable drivers. Successful exploitation could lead to privilege escalation or denial of service.
💻 Affected Systems
- Qualcomm hardware with vulnerable drivers
📦 What is this software?
Snapdragon 7c Compute Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 7c Compute Platform Firmware →
Snapdragon 7c Gen 2 Compute Platform Firmware by Qualcomm
View all CVEs affecting Snapdragon 7c Gen 2 Compute Platform Firmware →
Snapdragon 7c\+ Gen 3 Compute Firmware by Qualcomm
View all CVEs affecting Snapdragon 7c\+ Gen 3 Compute Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Local attacker gains kernel-level privileges, leading to full system compromise, data theft, or persistent backdoor installation.
Likely Case
Local user causes system crash or instability through memory corruption, resulting in denial of service.
If Mitigated
With proper access controls, only authorized users can trigger the vulnerability, limiting impact to trusted accounts.
🎯 Exploit Status
Requires local access and ability to call specific IOCTL; exploitation depends on memory layout and corruption details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Qualcomm January 2025 security bulletin for specific patches
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2025-bulletin.html
Restart Required: No
Instructions:
1. Review Qualcomm advisory for affected products. 2. Apply vendor-provided driver updates. 3. Update firmware if applicable. 4. Test in non-production environment first.
🔧 Temporary Workarounds
Restrict IOCTL access
Linux-based systemsLimit user-space access to the vulnerable driver using permissions or SELinux/AppArmor policies.
chmod 600 /dev/device_node
setenforce 1 (if using SELinux)
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized users from making IOCTL calls.
- Monitor system logs for unusual IOCTL activity and implement application whitelisting.
🔍 How to Verify
Check if Vulnerable:
Check driver version against Qualcomm advisory; examine if user-space can invoke the specific IOCTL.Check Version:
modinfo driver_name | grep versionVerify Fix Applied:
Verify driver version is updated per vendor patch; test IOCTL calls in controlled environment.📡 Detection & Monitoring
Log Indicators:
- Kernel logs showing memory corruption errors
- Failed IOCTL calls to vulnerable driver
Network Indicators:
- Not applicable - local exploitation only
SIEM Query:
source="kernel" AND "memory corruption" OR "IOCTL" AND driver_name