CVE-2023-54244

ACPI: EC: Fix oops when removing custom query handlers

N/A

Published: December 30, 2025 at 12:15 PM UTC

Updated: June 17, 2026 at 06:47 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 2.6.32.62.6.32.6 ≤ v < 2.6.332.6.33 ≤ v < 4.14.3162.6.33 ≤ v < 4.19.2842.6.33 ≤ v < 5.10.1812.6.33 ≤ v < 5.15.1132.6.33 ≤ v < 5.4.2442.6.33 ≤ v < 6.1.302.6.33 ≤ v < 6.3.42.6.33 ≤ v < 6.41ff7b99e4983d9e93d25e98ba1ce303ad4e4909e2.6.32.6 2.6.33a62e8f1978f49e52f87a711ff6711b323d4b12ff

Vendor states this is fixed in 066b90bca755f0b876e7b027b75d1796861d6db0 (fixed)

Vendor states this is fixed in 0d528a7c421b1f1772fc1d29370b3b5fc0f42b19 (fixed)

Vendor states this is fixed in 130e3eac51912f2c866e7d035992ede25f8feac0 (fixed)

Vendor states this is fixed in 86a159fd5bdb01ec34b160cfda1a313b616d9302 (fixed)

Vendor states this is fixed in ccae2233e9935a038a35fe8cfd703df905f700e7 (fixed)

Vendor states this is fixed in e5b492c6bb900fcf9722e05f4a10924410e170c1 (fixed)

Vendor states this is fixed in f4a573eed6377d356f835a4b00099d5dacee0da0 (fixed)

Vendor states this is fixed in fd2c99e81ae0dbdd62a154ef9c77fc01715cc020 (fixed)

Vendor states this is fixed in 2.6.33 (unaffected)

Vendor states this is fixed in 4.14.316 (unaffected)

Vendor states this is fixed in 4.19.284 (unaffected)

Vendor states this is fixed in 5.10.181 (unaffected)