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CVE-2025-39808

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: HID: hid-ntrig: fix unable to handle page fault in ntrig_report_version() in ntrig_report_version(), hdev parameter passed from…

Published Sep 16, 2025EPSS 0.18%

Overview

CVE-2025-39808 is a medium-severity vulnerability. It was published on September 16, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

HID: hid-ntrig: fix unable to handle page fault in ntrig_report_version()

in ntrig_report_version(), hdev parameter passed from hid_probe().

sending descriptor to /dev/uhid can make hdev->dev.parent->parent to null

if hdev->dev.parent->parent is null, usb_dev has

invalid address(0xffffffffffffff58) that hid_to_usb_dev(hdev) returned

when usb_rcvctrlpipe() use usb_dev,it trigger

page fault error for address(0xffffffffffffff58)

add null check logic to ntrig_report_version()

before calling hid_to_usb_dev()

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/019c34ca11372de891c06644846eb41fca7c890cRefgit.kernel.org/stable/c/183def8e4d786e50165e5d992df6a3083e45e16cRefgit.kernel.org/stable/c/185c926283da67a72df20a63a5046b3b4631b7d9Refgit.kernel.org/stable/c/22ddb5eca4af5e69dffe2b54551d2487424448f1Refgit.kernel.org/stable/c/4338b0f6544c3ff042bfbaf40bc9afe531fb08c7Refgit.kernel.org/stable/c/6070123d5344d0950f10ef6a5fdc3f076abb7ad2Refgit.kernel.org/stable/c/98520a9a3d69a530dd1ee280cbe0abc232a35bffRefgit.kernel.org/stable/c/e422370e6ab28478872b914cee5d49a9bdfae0c6Reflists.debian.org/debian-lts-announce/2025/10/msg00007.htmlReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39808?

CVE-2025-39808 is a medium-severity vulnerability. It was published on September 16, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-39808?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-39808?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-39808?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39808 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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