CVE-2024-23354
📋 TL;DR
This vulnerability allows memory corruption when an IOCTL call is interrupted by a signal in Qualcomm components, potentially leading to arbitrary code execution. It affects devices using Qualcomm chipsets, particularly Android smartphones and IoT devices. Attackers could exploit this to gain elevated privileges or crash systems.
💻 Affected Systems
- Qualcomm chipsets and associated drivers
📦 What is this software?
Snapdragon 4 Gen 2 Mobile Firmware by Qualcomm
View all CVEs affecting Snapdragon 4 Gen 2 Mobile Firmware →
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 8 Gen 1 Mobile Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 1 Mobile Firmware →
Snapdragon 8 Gen 2 Mobile Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 2 Mobile Firmware →
Snapdragon 8 Gen 2 Mobile Firmware by Qualcomm
View all CVEs affecting Snapdragon 8 Gen 2 Mobile Firmware →
Snapdragon W5\+ Gen 1 Wearable Firmware by Qualcomm
View all CVEs affecting Snapdragon W5\+ Gen 1 Wearable Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with kernel-level code execution, allowing complete device control, data theft, and persistence.
Likely Case
Local privilege escalation from user to kernel mode, enabling further attacks or denial of service through system crashes.
If Mitigated
Limited impact with proper kernel hardening, SELinux policies, and exploit mitigations in place.
🎯 Exploit Status
Requires local access and ability to trigger IOCTL calls with signal interruption; kernel exploitation knowledge needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patches included in Qualcomm May 2024 security bulletin updates
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2024-bulletin.html
Restart Required: Yes
Instructions:
1. Check device manufacturer for security updates. 2. Apply Qualcomm-provided patches through OEM firmware updates. 3. Reboot device after update.
🔧 Temporary Workarounds
Restrict IOCTL access
linuxLimit which processes can make IOCTL calls to vulnerable drivers using SELinux or similar MAC systems.
# Example SELinux policy to restrict ioctl access
# allow only trusted domains specific ioctls
🧯 If You Can't Patch
- Implement strict application sandboxing to limit local exploit vectors.
- Use kernel hardening features like SELinux enforcing mode and exploit mitigations (ASLR, stack protection).
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Qualcomm bulletin; use 'getprop ro.build.fingerprint' on Android to identify build.Check Version:
adb shell getprop ro.build.fingerprintVerify Fix Applied:
Verify security patch level includes May 2024 or later; check 'Settings > About phone > Android security patch level' on Android.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Unexpected driver crashes
- SELinux denials for ioctl operations
Network Indicators:
- None - local exploitation only
SIEM Query:
source="kernel" AND ("panic" OR "Oops") AND "qualcomm"