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7.8
Windows Driver Vulnerability: Malicious Input Can Crash System
CVE-2025-47381
Summary
A vulnerability in certain Windows drivers can cause a system crash if a malicious input is sent to the driver while another process is accessing a shared buffer. This can lead to system instability and potential data loss. To mitigate this issue, ensure that your system and drivers are up to date, and consider implementing additional security measures to prevent concurrent access to shared resources.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| qualcomm | lemans_au_lgit_firmware | All versions | – |
| qualcomm | lemansau_firmware | All versions | – |
| qualcomm | qam8255p_firmware | All versions | – |
| qualcomm | qamsrv1h_firmware | All versions | – |
| qualcomm | qamsrv1m_firmware | All versions | – |
| qualcomm | qca6574_firmware | All versions | – |
| qualcomm | qca6574a_firmware | All versions | – |
| qualcomm | qca6574au_firmware | All versions | – |
| qualcomm | qca6595_firmware | All versions | – |
| qualcomm | qca6595au_firmware | All versions | – |
| qualcomm | qca6688aq_firmware | All versions | – |
| qualcomm | qca6696_firmware | All versions | – |
| qualcomm | qca9367_firmware | All versions | – |
| qualcomm | qca9377_firmware | All versions | – |
| qualcomm | sa6155p_firmware | All versions | – |
| qualcomm | sa7255p_firmware | All versions | – |
| qualcomm | sa7775p_firmware | All versions | – |
| qualcomm | sa8155p_firmware | All versions | – |
| qualcomm | sa8195p_firmware | All versions | – |
| qualcomm | sa8255p_firmware | All versions | – |
| qualcomm | sa8620p_firmware | All versions | – |
| qualcomm | sa8770p_firmware | All versions | – |
| qualcomm | sa9000p_firmware | All versions | – |
| qualcomm | srv1h_firmware | All versions | – |
| qualcomm | srv1m_firmware | All versions | – |
Original title
Memory Corruption while processing IOCTL calls when concurrent access to shared buffer occurs.
Original description
Memory Corruption while processing IOCTL calls when concurrent access to shared buffer occurs.
nvd CVSS3.1
7.8
Vulnerability type
CWE-416
Use After Free
- https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bu... Patch Vendor Advisory
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026