CVE-2023-54244: ACPI: EC: Fix oops when removing custom query handlers
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-54244?
CVE-2023-54244 is classified as a medium-severity vulnerability in the Linux kernel.
How do I fix CVE-2023-54244?
To fix CVE-2023-54244, update to the latest stable version of the Linux kernel where the issue has been resolved.
What systems are affected by CVE-2023-54244?
CVE-2023-54244 affects various versions of the Linux kernel that utilize the ACPI subsystem.
What type of vulnerability is CVE-2023-54244?
CVE-2023-54244 is a vulnerability related to the management of custom query handlers in the ACPI subsystem.
What can happen if CVE-2023-54244 is exploited?
Exploitation of CVE-2023-54244 can lead to a kernel oops, potentially causing system instability or crashes.