{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54244",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.512Z",
        "datePublished": "2025-12-30T12:15:43.397Z",
        "dateUpdated": "2026-05-23T15:34:41.468Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:34:41.468Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/acpi/ec.c"
                    ],
                    "versions": [
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "130e3eac51912f2c866e7d035992ede25f8feac0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "0d528a7c421b1f1772fc1d29370b3b5fc0f42b19",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "ccae2233e9935a038a35fe8cfd703df905f700e7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "066b90bca755f0b876e7b027b75d1796861d6db0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "f4a573eed6377d356f835a4b00099d5dacee0da0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "86a159fd5bdb01ec34b160cfda1a313b616d9302",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "fd2c99e81ae0dbdd62a154ef9c77fc01715cc020",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a62e8f1978f49e52f87a711ff6711b323d4b12ff",
                            "lessThan": "e5b492c6bb900fcf9722e05f4a10924410e170c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1ff7b99e4983d9e93d25e98ba1ce303ad4e4909e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2.6.32.6",
                            "lessThan": "2.6.33",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/acpi/ec.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.33",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.33",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.316",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.284",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.244",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.181",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.113",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.30",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.4",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "4.14.316"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "4.19.284"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "5.4.244"
                                },
                                {
                                    "vulnerable": true,
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                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "5.15.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.1.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.3.4"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.32.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/130e3eac51912f2c866e7d035992ede25f8feac0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0d528a7c421b1f1772fc1d29370b3b5fc0f42b19"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ccae2233e9935a038a35fe8cfd703df905f700e7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/066b90bca755f0b876e7b027b75d1796861d6db0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f4a573eed6377d356f835a4b00099d5dacee0da0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86a159fd5bdb01ec34b160cfda1a313b616d9302"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd2c99e81ae0dbdd62a154ef9c77fc01715cc020"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e5b492c6bb900fcf9722e05f4a10924410e170c1"
                }
            ],
            "title": "ACPI: EC: Fix oops when removing custom query handlers",
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}