{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49881",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.240Z",
        "datePublished": "2025-05-01T14:10:28.610Z",
        "dateUpdated": "2026-05-11T19:08:33.030Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:08:33.030Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: fix memory leak in query_regdb_file()\n\nIn the function query_regdb_file() the alpha2 parameter is duplicated\nusing kmemdup() and subsequently freed in regdb_fw_cb(). However,\nrequest_firmware_nowait() can fail without calling regdb_fw_cb() and\nthus leak memory."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/wireless/reg.c"
                    ],
                    "versions": [
                        {
                            "version": "007f6c5e6eb45c81ee89368a5f226572ae638831",
                            "lessThan": "219446396786330937bcd382a7bc4ccd767383bc",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "0ede1a988299e95d54bd89551fd635980572e920",
                            "status": "affected",
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                        {
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                            "lessThan": "e1e12180321f416d83444f2cdc9259e0f5093d35",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "007f6c5e6eb45c81ee89368a5f226572ae638831",
                            "lessThan": "38c9fa2cc6bf4b6e1a74057aef8b5cffd23d3264",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "007f6c5e6eb45c81ee89368a5f226572ae638831",
                            "lessThan": "e9b5a4566d5bc71cc901be50d1fa24da00613120",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "007f6c5e6eb45c81ee89368a5f226572ae638831",
                            "lessThan": "57b962e627ec0ae53d4d16d7bd1033e27e67677a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
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                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.267",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.155",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.79",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.9",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "4.15",
                                    "versionEndExcluding": "4.19.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.4.225"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.0.9"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.1"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/219446396786330937bcd382a7bc4ccd767383bc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ede1a988299e95d54bd89551fd635980572e920"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e1e12180321f416d83444f2cdc9259e0f5093d35"
                },
                {
                    "url": "https://git.kernel.org/stable/c/38c9fa2cc6bf4b6e1a74057aef8b5cffd23d3264"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e9b5a4566d5bc71cc901be50d1fa24da00613120"
                },
                {
                    "url": "https://git.kernel.org/stable/c/57b962e627ec0ae53d4d16d7bd1033e27e67677a"
                }
            ],
            "title": "wifi: cfg80211: fix memory leak in query_regdb_file()",
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                "engine": "bippy-1.2.0"
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        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-401",
                                "lang": "en",
                                "description": "CWE-401 Missing Release of Memory after Effective Lifetime"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-10-01T16:10:51.762206Z",
                                "id": "CVE-2022-49881",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T16:10:57.930Z"
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        ]
    }
}