🛡️ CVE-2025-39808 — debian-linux

🟡 CVSS 5.5 — Medium ✅ No Known Exploit NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

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()

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

CVE-2025-39808 is recorded against 3 packages.

  • debian-linux
  • kernel (from 6.13.0 up to 6.16.5)
  • linux-kernel

Timeline and source

Published on 16 September 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
git.kernel.org
lists.debian.org
lists.debian.org
cert-portal.siemens.com

CVE-2025-39808 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-09-16
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
debian-linux — —
kernel 6.13.0 6.16.5
linux-kernel — —

References

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