Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.

CVE-2025-21437: Windows Kernel Driver Allows Unauthorized Memory Access

CVE-2025-21437 · published 1 year ago

Summary

A Windows kernel driver has a bug that can allow unauthorized access to memory. This means an attacker could potentially read or write sensitive data on a Windows system. The issue affects Windows systems and requires a software update to fix.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
qualcomm	qam8255p_firmware	All versions `cpe:2.3:o:qualcomm:qam8255p_firmware:-:::::::*`
qualcomm	qam8295p_firmware	All versions `cpe:2.3:o:qualcomm:qam8295p_firmware:-:::::::*`
qualcomm	qam8620p_firmware	All versions `cpe:2.3:o:qualcomm:qam8620p_firmware:-:::::::*`
qualcomm	qam8650p_firmware	All versions `cpe:2.3:o:qualcomm:qam8650p_firmware:-:::::::*`
qualcomm	qam8775p_firmware	All versions `cpe:2.3:o:qualcomm:qam8775p_firmware:-:::::::*`
qualcomm	qamsrv1h_firmware	All versions `cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:::::::*`
qualcomm	qamsrv1m_firmware	All versions `cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:::::::*`
qualcomm	qca6574_firmware	All versions `cpe:2.3:o:qualcomm:qca6574_firmware:-:::::::*`
qualcomm	qca6574a_firmware	All versions `cpe:2.3:o:qualcomm:qca6574a_firmware:-:::::::*`
qualcomm	qca6574au_firmware	All versions `cpe:2.3:o:qualcomm:qca6574au_firmware:-:::::::*`
qualcomm	qca6595_firmware	All versions `cpe:2.3:o:qualcomm:qca6595_firmware:-:::::::*`
qualcomm	qca6595au_firmware	All versions `cpe:2.3:o:qualcomm:qca6595au_firmware:-:::::::*`
qualcomm	qca6688aq_firmware	All versions `cpe:2.3:o:qualcomm:qca6688aq_firmware:-:::::::*`
qualcomm	qca6696_firmware	All versions `cpe:2.3:o:qualcomm:qca6696_firmware:-:::::::*`
qualcomm	qca6698aq_firmware	All versions `cpe:2.3:o:qualcomm:qca6698aq_firmware:-:::::::*`
qualcomm	qca6797aq_firmware	All versions `cpe:2.3:o:qualcomm:qca6797aq_firmware:-:::::::*`
qualcomm	sa6155p_firmware	All versions `cpe:2.3:o:qualcomm:sa6155p_firmware:-:::::::*`
qualcomm	sa7255p_firmware	All versions `cpe:2.3:o:qualcomm:sa7255p_firmware:-:::::::*`
qualcomm	sa7775p_firmware	All versions `cpe:2.3:o:qualcomm:sa7775p_firmware:-:::::::*`
qualcomm	sa8155p_firmware	All versions `cpe:2.3:o:qualcomm:sa8155p_firmware:-:::::::*`
qualcomm	sa8195p_firmware	All versions `cpe:2.3:o:qualcomm:sa8195p_firmware:-:::::::*`
qualcomm	sa8255p_firmware	All versions `cpe:2.3:o:qualcomm:sa8255p_firmware:-:::::::*`
qualcomm	sa8295p_firmware	All versions `cpe:2.3:o:qualcomm:sa8295p_firmware:-:::::::*`
qualcomm	sa8620p_firmware	All versions `cpe:2.3:o:qualcomm:sa8620p_firmware:-:::::::*`
qualcomm	sa8650p_firmware	All versions `cpe:2.3:o:qualcomm:sa8650p_firmware:-:::::::*`
qualcomm	sa8770p_firmware	All versions `cpe:2.3:o:qualcomm:sa8770p_firmware:-:::::::*`
qualcomm	sa8775p_firmware	All versions `cpe:2.3:o:qualcomm:sa8775p_firmware:-:::::::*`
qualcomm	sa9000p_firmware	All versions `cpe:2.3:o:qualcomm:sa9000p_firmware:-:::::::*`
qualcomm	srv1h_firmware	All versions `cpe:2.3:o:qualcomm:srv1h_firmware:-:::::::*`
qualcomm	srv1l_firmware	All versions `cpe:2.3:o:qualcomm:srv1l_firmware:-:::::::*`
qualcomm	srv1m_firmware	All versions `cpe:2.3:o:qualcomm:srv1m_firmware:-:::::::*`

Original advisory text

Memory corruption while processing memory map or unmap IOCTL operations simultaneously.

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bu... Vendor Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit
Gives an attacker full control

Severity

7.8 High

Exploitation

<1% chance of attack within 30 days

Type

CWE-416Use After Free

Timeline

Published7 Apr 2025

Updated31 Oct 2026

First seen7 Mar 2026

Sources

CVE-2025-21437 · NVD

Track software like this

Free during beta