CVE-2023-54018
Published Dec 24, 2025
Modified Apr 15, 2026
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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References
Other References
https://git.kernel.org/stable/c/1bab31a0969ca4ac90907a5d3b44af104229eafd
https://git.kernel.org/stable/c/392f7eb3946ab3780b931af723033e19f82c9134
https://git.kernel.org/stable/c/9a01ecc312e764ec4527ad49105a3ca799f1860c
https://git.kernel.org/stable/c/ae5ca116a0c0ba9fc4123b1f1ec3c4f4d0d01b3f
https://git.kernel.org/stable/c/afe4cb96153a0d8003e4e4ebd91b5c543e10df84
https://git.kernel.org/stable/c/b479485b24da1d572a0ce875537af31b02d2f915
https://git.kernel.org/stable/c/e55f93d674314f2fb69eba0dc24acfdf72805611
https://git.kernel.org/stable/c/fc34608fa275fe6b3b17e171b63b8ca3aa1cbf09
Frequently Asked Questions
What is CVE-2023-54018? +
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/
How do I check if I'm vulnerable to CVE-2023-54018? +
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.