CVE-2025-39808: debian linux — Fix

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()

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.37 — 5.4.298
linux	linux_kernel	5.5 — 5.10.242
linux	linux_kernel	5.11 — 5.15.191
linux	linux_kernel	5.16 — 6.1.150
linux	linux_kernel	6.2 — 6.6.104
linux	linux_kernel	6.7 — 6.12.45
linux	linux_kernel	6.13 — 6.16.5
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/019c34ca11372de891c06644846eb41fca7c890c https://git.kernel.org/stable/c/183def8e4d786e50165e5d992df6a3083e45e16c https://git.kernel.org/stable/c/185c926283da67a72df20a63a5046b3b4631b7d9 https://git.kernel.org/stable/c/22ddb5eca4af5e69dffe2b54551d2487424448f1 https://git.kernel.org/stable/c/4338b0f6544c3ff042bfbaf40bc9afe531fb08c7 https://git.kernel.org/stable/c/6070123d5344d0950f10ef6a5fdc3f076abb7ad2 https://git.kernel.org/stable/c/98520a9a3d69a530dd1ee280cbe0abc232a35bff https://git.kernel.org/stable/c/e422370e6ab28478872b914cee5d49a9bdfae0c6

Other References

https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Frequently Asked Questions

What is CVE-2025-39808? +

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() It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-39808? +

CVE-2025-39808 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-39808? +

CVE-2025-39808 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-39808? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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