CVE-2023-54244
Published Dec 30, 2025
Modified Apr 15, 2026
Description
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
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References
Other References
https://git.kernel.org/stable/c/066b90bca755f0b876e7b027b75d1796861d6db0
https://git.kernel.org/stable/c/0d528a7c421b1f1772fc1d29370b3b5fc0f42b19
https://git.kernel.org/stable/c/130e3eac51912f2c866e7d035992ede25f8feac0
https://git.kernel.org/stable/c/86a159fd5bdb01ec34b160cfda1a313b616d9302
https://git.kernel.org/stable/c/ccae2233e9935a038a35fe8cfd703df905f700e7
https://git.kernel.org/stable/c/e5b492c6bb900fcf9722e05f4a10924410e170c1
https://git.kernel.org/stable/c/f4a573eed6377d356f835a4b00099d5dacee0da0
https://git.kernel.org/stable/c/fd2c99e81ae0dbdd62a154ef9c77fc01715cc020
Frequently Asked Questions
What is 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
How do I check if I'm vulnerable to CVE-2023-54244? +
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.