CVE-2023-54244 (GCVE-0-2023-54244)
Vulnerability from cvelistv5
Published
2025-12-30 12:15
Modified
2025-12-30 12:15
Severity ?
Summary
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
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: EC: Fix oops when removing custom query handlers\n\nWhen removing custom query handlers, the handler might still\nbe used inside the EC query workqueue, causing a kernel oops\nif the module holding the callback function was already unloaded.\n\nFix this by flushing the EC query workqueue when removing\ncustom query handlers.\n\nTested on a Acer Travelmate 4002WLMi"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:15:43.397Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        {
          "url": "https://git.kernel.org/stable/c/e5b492c6bb900fcf9722e05f4a10924410e170c1"
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      "title": "ACPI: EC: Fix oops when removing custom query handlers",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54244",
    "datePublished": "2025-12-30T12:15:43.397Z",
    "dateReserved": "2025-12-30T12:06:44.512Z",
    "dateUpdated": "2025-12-30T12:15:43.397Z",
    "state": "PUBLISHED"
  },
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  }
}


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