CVE-2024-43047
📋 TL;DR
This CVE describes a use-after-free vulnerability (CWE-416) in Qualcomm's memory management subsystem that allows attackers to corrupt memory while maintaining memory maps of HLOS (High-Level Operating System) memory. Successful exploitation could lead to arbitrary code execution or system crashes. This affects devices using vulnerable Qualcomm chipsets across multiple product lines.
💻 Affected Systems
- Qualcomm chipsets across multiple product families
📦 What is this software?
Snapdragon 680 4g Mobile Firmware by Qualcomm
Snapdragon 685 4g Mobile Firmware by Qualcomm
Snapdragon 8 Gen 1 Mobile Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 1 Mobile Firmware →
Snapdragon 865 5g Mobile Firmware by Qualcomm
Snapdragon 865 5g Mobile Firmware by Qualcomm
Snapdragon 870 5g Mobile Firmware by Qualcomm
Snapdragon 888 5g Mobile Firmware by Qualcomm
Snapdragon 888 5g Mobile Firmware by Qualcomm
Snapdragon Auto 5g Modem Rf Firmware by Qualcomm
View all CVEs affecting Snapdragon Auto 5g Modem Rf Firmware →
Snapdragon Auto 5g Modem Rf Gen 2 Firmware by Qualcomm
View all CVEs affecting Snapdragon Auto 5g Modem Rf Gen 2 Firmware →
Snapdragon X55 5g Modem Rf Firmware by Qualcomm
View all CVEs affecting Snapdragon X55 5g Modem Rf Firmware →
Video Collaboration Vc1 Platform Firmware by Qualcomm
View all CVEs affecting Video Collaboration Vc1 Platform Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with kernel-level privileges, allowing persistent access, data theft, and device control.
Likely Case
System instability, crashes, or denial of service leading to device reboots and potential data loss.
If Mitigated
Limited impact with proper memory isolation and exploit mitigations, potentially causing only crashes.
🎯 Exploit Status
Exploitation requires local access and knowledge of memory layout. CISA has added this to their Known Exploited Vulnerabilities catalog, indicating active exploitation is likely.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: October 2024 security updates from Qualcomm
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2024-bulletin.html
Restart Required: Yes
Instructions:
1. Check with device manufacturer for available firmware updates. 2. Apply Qualcomm's October 2024 security patches. 3. Reboot device after update installation. 4. Verify patch application through version checks.
🔧 Temporary Workarounds
Memory isolation hardening
allImplement stricter memory access controls and sandboxing to limit impact
Privilege reduction
linuxRun services with minimal necessary privileges to limit exploit impact
🧯 If You Can't Patch
- Implement strict application sandboxing and privilege separation
- Deploy memory corruption mitigations like ASLR and stack canaries
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against manufacturer's security bulletin. Review Qualcomm chipset version and security patch level.Check Version:
On Android: Settings > About phone > Android version > Security patch levelVerify Fix Applied:
Verify security patch level includes October 2024 or later updates. Check with device manufacturer for specific patch verification.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Memory corruption errors in system logs
- Unexpected process crashes with memory access violations
Network Indicators:
- Unusual outbound connections from system processes
- Anomalous privilege escalation attempts
SIEM Query:
source="kernel" AND ("panic" OR "segfault" OR "memory corruption") AND process="system"