{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49345",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.542Z",
        "datePublished": "2025-02-26T02:11:00.976Z",
        "dateUpdated": "2026-05-11T18:57:54.195Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:57:54.195Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: xfrm: unexport __init-annotated xfrm4_protocol_init()\n\nEXPORT_SYMBOL and __init is a bad combination because the .init.text\nsection is freed up after the initialization. Hence, modules cannot\nuse symbols annotated __init. The access to a freed symbol may end up\nwith kernel panic.\n\nmodpost used to detect it, but it has been broken for a decade.\n\nRecently, I fixed modpost so it started to warn it again, then this\nshowed up in linux-next builds.\n\nThere are two ways to fix it:\n\n  - Remove __init\n  - Remove EXPORT_SYMBOL\n\nI chose the latter for this case because the only in-tree call-site,\nnet/ipv4/xfrm4_policy.c is never compiled as modular.\n(CONFIG_XFRM is boolean)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/xfrm4_protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "c58d82a1264813e69119c13e9804e2e60b664ad5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "e53cd3814504b2cadaba4d5a8a07eeea9ddacd03",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "31f3c6a4dcd3260a386e62cef2d5b36e902600a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "ef6d2354de238b065d8799c80da4be9a6af18e39",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "be3884d5cd04ccd58294b83a02d70b7c5fca19d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "85a055c03691e51499123194a14a0c249cf33227",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "e04d59cfe0c0129df7aba7ef7bb17b96be2a64f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "2b253fbc9f7b5db18d716436bdcf8ecef09fd63d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f32b51b609faea1e40bb8c5bd305f1351740936",
                            "lessThan": "4a388f08d8784af48f352193d2b72aaf167a57a1",
                            "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/ipv4/xfrm4_protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "3.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.318",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.283",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.247",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.198",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.122",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.47",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.15",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.4",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "3.15",
                                    "versionEndExcluding": "4.9.318"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "4.14.283"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "4.19.247"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.4.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.10.122"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.15.47"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.17.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.18.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c58d82a1264813e69119c13e9804e2e60b664ad5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e53cd3814504b2cadaba4d5a8a07eeea9ddacd03"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31f3c6a4dcd3260a386e62cef2d5b36e902600a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ef6d2354de238b065d8799c80da4be9a6af18e39"
                },
                {
                    "url": "https://git.kernel.org/stable/c/be3884d5cd04ccd58294b83a02d70b7c5fca19d3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/85a055c03691e51499123194a14a0c249cf33227"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e04d59cfe0c0129df7aba7ef7bb17b96be2a64f2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2b253fbc9f7b5db18d716436bdcf8ecef09fd63d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a388f08d8784af48f352193d2b72aaf167a57a1"
                }
            ],
            "title": "net: xfrm: unexport __init-annotated xfrm4_protocol_init()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}