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/
Affected versions
Linux kernel versions
4.3
and later are affected. Fixed in
4.14.308,
4.19.276,
5.4.235,
5.10.173,
5.15.99,
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2023-54018 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1bab31a0969ca4ac90907a5d3b44af104229eafd
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PatchKernel patch commithttps://git.kernel.org/stable/c/392f7eb3946ab3780b931af723033e19f82c9134
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PatchKernel patch commithttps://git.kernel.org/stable/c/9a01ecc312e764ec4527ad49105a3ca799f1860c
Frequently asked questions
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What is CVE-2023-54018?
CVE-2023-54018 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.3 onward and has been patched in 4.14.308, 4.19.276, 5.4.235 and others. CVE-2023-54018 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-54018?
Yes — CVE-2023-54018 has been patched. Fixed versions include 4.14.308, 4.19.276, 5.4.235 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54018 actively exploited?
No — CVE-2023-54018 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.