CVE-2023-54018
Unknown Unknown - Not Provided

Null Pointer Dereference in Linux drm/msm HDMI Workqueue Allocation

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: Add missing check for alloc_ordered_workqueue Add check for the return value of alloc_ordered_workqueue as it may return NULL pointer and cause NULL pointer dereference in `hdmi_hdcp.c` and `hdmi_hpd.c`. Patchwork: https://patchwork.freedesktop.org/patch/517211/

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Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2023-54018
EUVD
EUVD-2025-205129

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a missing check for the return value of the function alloc_ordered_workqueue in the Linux kernel's drm/msm/hdmi component. Because alloc_ordered_workqueue may return a NULL pointer, not checking this can lead to a NULL pointer dereference in the files hdmi_hdcp.c and hdmi_hpd.c, potentially causing a crash or instability.

Impact Analysis

If exploited or triggered, this vulnerability can cause a NULL pointer dereference in the Linux kernel's HDMI driver, which may lead to system crashes or instability, potentially affecting the availability of the system or device using the affected kernel.

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