CVE-2024-40926: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: don't attempt to schedule hpd_work on headless cards If the card doesn't have display hardware, hpd_work and hpd_lock are left uninitialized which causes BUG when attempting to schedule hpd_work on runtime PM resume. Fix it by adding headless flag to DRM and skip any hpd if it's set.

Is your site exposed to CVE-2024-40926?

Run a free security scan — no signup, results in seconds.

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

Weakness Type (CWE)

CWE-908 CWE-908

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.7 — 6.9.6
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7 https://git.kernel.org/stable/c/227349998e5740f14d531b0f0d704e66b1ed3c2f https://git.kernel.org/stable/c/b96a225377b6602299a03d2ce3c289b68cd41bb7

Frequently Asked Questions

What is CVE-2024-40926? +

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: don't attempt to schedule hpd_work on headless cards If the card doesn't have display hardware, hpd_work and hpd_lock are left uninitialized which causes BUG when attempting to schedule hpd_work on runtime PM resume. Fix it by adding headless flag to DRM and skip any hpd if it's set. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-40926? +

CVE-2024-40926 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-2024-40926? +

CVE-2024-40926 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-40926? +

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.

Related Vulnerabilities

CVE-2025-2329

In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and …

CVE-2025-48513

Use of uninitialized resource within the AMD Platform Management Framework (PMF) could allow an attacker to read a uninitialized kernel …

CVE-2025-1942 9.8

When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result …

CVE-2024-32611 9.8

HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.

CVE-2025-50165 9.8

Untrusted pointer dereference in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2024-47540 9.8

GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the …

CVE-2024-40926