CVE-2025-8090
📋 TL;DR
A null pointer dereference vulnerability in the MsgRegisterEvent() system call in QNX Neutrino RTOS allows local attackers with code execution capabilities to crash the kernel. This affects systems running vulnerable versions of QNX Neutrino RTOS. The vulnerability requires local access and code execution privileges to exploit.
💻 Affected Systems
- QNX Neutrino RTOS
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Kernel panic leading to complete system crash and denial of service, potentially disrupting critical operations on affected QNX systems.
Likely Case
Local denial of service through kernel crash, requiring system reboot to restore functionality.
If Mitigated
Minimal impact if proper access controls prevent unauthorized local code execution and systems are isolated.
🎯 Exploit Status
Requires local access and ability to execute code. Exploitation involves triggering the null pointer dereference through the MsgRegisterEvent() system call.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Consult BlackBerry advisory for specific patched versions
Vendor Advisory: https://support.blackberry.com/pkb/s/article/141027
Restart Required: Yes
Instructions:
1. Review BlackBerry advisory KB141027. 2. Identify affected QNX Neutrino RTOS versions. 3. Apply the official patch from BlackBerry. 4. Reboot the system to load the patched kernel.
🔧 Temporary Workarounds
Restrict local access
allLimit local user access to systems running vulnerable QNX versions to prevent potential exploitation.
Implement application whitelisting
allUse application control mechanisms to prevent unauthorized code execution on QNX systems.
🧯 If You Can't Patch
- Isolate QNX systems from untrusted networks and users
- Implement strict access controls and monitor for unauthorized local code execution attempts
🔍 How to Verify
Check if Vulnerable:
Check QNX Neutrino RTOS version against BlackBerry advisory KB141027 for affected versions.Check Version:
uname -a (on QNX system) or consult system documentation for version informationVerify Fix Applied:
Verify QNX Neutrino RTOS version is updated to a patched version listed in the BlackBerry advisory.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- System crash/reboot events
- Unexpected system restarts
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
Search for kernel panic events or system crash logs on QNX systems