{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50783",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T13:02:21.548Z",
        "datePublished": "2025-12-24T13:06:10.602Z",
        "dateUpdated": "2026-05-11T19:25:27.610Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:25:27.610Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: use proper req destructor for IPv6\n\nBefore, only the destructor from TCP request sock in IPv4 was called\neven if the subflow was IPv6.\n\nIt is important to use the right destructor to avoid memory leaks with\nsome advanced IPv6 features, e.g. when the request socks contain\nspecific IPv6 options."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/subflow.c"
                    ],
                    "versions": [
                        {
                            "version": "79c0949e9a09f6a14a6dd18dc8396029423f9b68",
                            "lessThan": "6eb02c596ec02e5897ae377e065cb7df55337a96",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79c0949e9a09f6a14a6dd18dc8396029423f9b68",
                            "lessThan": "bd5dc96fea4edd16d2e22f41b4dd50a4cfbeb919",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79c0949e9a09f6a14a6dd18dc8396029423f9b68",
                            "lessThan": "092953f3c4cd65f88b27b87a922f6c725f34ee04",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79c0949e9a09f6a14a6dd18dc8396029423f9b68",
                            "lessThan": "1922ea6b0ae2ea0c9a09be0eafafe1cd1069d259",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "79c0949e9a09f6a14a6dd18dc8396029423f9b68",
                            "lessThan": "d3295fee3c756ece33ac0d935e172e68c0a4161b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/subflow.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.18",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.4",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.6",
                                    "versionEndExcluding": "5.10.163"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.0.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6eb02c596ec02e5897ae377e065cb7df55337a96"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bd5dc96fea4edd16d2e22f41b4dd50a4cfbeb919"
                },
                {
                    "url": "https://git.kernel.org/stable/c/092953f3c4cd65f88b27b87a922f6c725f34ee04"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1922ea6b0ae2ea0c9a09be0eafafe1cd1069d259"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3295fee3c756ece33ac0d935e172e68c0a4161b"
                }
            ],
            "title": "mptcp: use proper req destructor for IPv6",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}