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
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < 130e3eac51912f2c866e7d035992ede25f8feac0; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < 0d528a7c421b1f1772fc1d29370b3b5fc0f42b19; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < ccae2233e9935a038a35fe8cfd703df905f700e7; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < 066b90bca755f0b876e7b027b75d1796861d6db0; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < f4a573eed6377d356f835a4b00099d5dacee0da0; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < 86a159fd5bdb01ec34b160cfda1a313b616d9302; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < fd2c99e81ae0dbdd62a154ef9c77fc01715cc020; >= a62e8f1978f49e52f87a711ff6711b323d4b12ff, < e5b492c6bb900fcf9722e05f4a10924410e170c1; 1ff7b99e4983d9e93d25e98ba1ce303ad4e4909e; >= 2.6.32.6, < 2.6.33 |
| Linux | Linux | 2.6.33 |
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
Timeline
- Published
- Dec 30, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Deferred