CVE-2025-27050
📋 TL;DR
This CVE describes a use-after-free vulnerability (CWE-416) in Qualcomm components where abrupt client process termination during event handling causes memory corruption. Attackers could potentially execute arbitrary code or cause denial of service. Affects systems using vulnerable Qualcomm hardware/drivers.
💻 Affected Systems
- Qualcomm chipsets and associated drivers/firmware
📦 What is this software?
Snapdragon 7c\+ Gen 3 Compute Firmware by Qualcomm
View all CVEs affecting Snapdragon 7c\+ Gen 3 Compute Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with kernel privileges leading to complete system compromise
Likely Case
Local privilege escalation or denial of service through system crash
If Mitigated
Limited to denial of service if exploit fails or system has additional protections
🎯 Exploit Status
Requires ability to trigger abrupt process termination during specific event handling
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Qualcomm July 2025 security bulletin for specific patched versions
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2025-bulletin.html
Restart Required: Yes
Instructions:
1. Check Qualcomm advisory for affected chipset/driver versions. 2. Obtain updated firmware/drivers from device manufacturer. 3. Apply patches following manufacturer instructions. 4. Reboot system.
🔧 Temporary Workarounds
Restrict process termination capabilities
linuxLimit which users/processes can terminate other processes to reduce attack surface
# Use SELinux/AppArmor to restrict process signaling capabilities
# Review and harden process permission models
🧯 If You Can't Patch
- Implement strict process isolation and privilege separation
- Monitor for abnormal process termination patterns and system crashes
🔍 How to Verify
Check if Vulnerable:
Check Qualcomm chipset/driver version against affected list in July 2025 bulletinCheck Version:
# For Android: getprop | grep -i qualcomm
# For Linux: modinfo <qualcomm_driver_module> | grep versionVerify Fix Applied:
Verify updated Qualcomm driver/firmware version is installed post-patch📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Driver crash dumps
- Abnormal process termination events
Network Indicators:
- None - this is a local memory corruption vulnerability
SIEM Query:
source="kernel" AND ("panic" OR "Oops" OR "segfault") AND process_name="*qualcomm*"