CVE-2023-54244
In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fix oops when removing custom query handlers When removing custom query handlers, the handler might still be used inside the EC query workqueue, causing a kernel oops if the module holding the callback function was already unloaded. Fix this by flushing the EC query workqueue when removing custom query handlers. Tested on a Acer Travelmate 4002WLMi
Affected versions
Linux kernel versions
2.6.32.6,
2.6.33
and later are affected. Fixed in
4.14.316,
4.19.284,
5.4.244,
5.10.181,
5.15.113,
6.1.30,
6.3.4,
6.4
and their respective stable series.
References
The following references provide additional information about CVE-2023-54244 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/066b90bca755f0b876e7b027b75d1796861d6db0
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PatchKernel patch commithttps://git.kernel.org/stable/c/0d528a7c421b1f1772fc1d29370b3b5fc0f42b19
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PatchKernel patch commithttps://git.kernel.org/stable/c/130e3eac51912f2c866e7d035992ede25f8feac0
Frequently asked questions
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What is CVE-2023-54244?
CVE-2023-54244 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.32.6 onward and has been patched in 4.14.316, 4.19.284, 5.4.244 and others. CVE-2023-54244 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-2023-54244?
Yes — CVE-2023-54244 has been patched. Fixed versions include 4.14.316, 4.19.284, 5.4.244 and others. If you are running Linux kernel 2.6.32.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54244 actively exploited?
No — CVE-2023-54244 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.