Bug 2424999 (CVE-2023-54018)

Summary: CVE-2023-54018 kernel: drm/msm/hdmi: Add missing check for alloc_ordered_workqueue
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
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OS: Linux   
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Description OSIDB Bzimport 2025-12-24 12:07:09 UTC 
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/
Comment 1 Alexander B 2025-12-25 09:50:39 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122432-CVE-2023-54018-0a10@gregkh/T