{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98417",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.347Z",
        "datePublished": "2026-10-14T13:27:47.816Z",
        "dateUpdated": "2026-10-19T09:19:11.040Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:19:11.040Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: xfrm: reject unrepresentable espintcp transport headers\n\nESP-in-TCP can hand xfrm packets whose transport header offset no longer\nfits after the stream parser trims the TCP envelope. The plain transport\nheader reset truncates that offset and triggers the skb warning path.\n\nUse the careful transport-header helper and drop the skb through the\nexisting XFRM error path when the offset cannot be represented."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/xfrm/espintcp.c"
                    ],
                    "versions": [
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "d37a5b87577c4b4c1a1dcb000a9dff1df2cf886b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "6c29681207bc213188afa603dff2d55e7178a341",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "4a8243fd2e21980fa3fd10c0610e9155057cebd3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "b2b84e73e0386ad0b4f9b8d3afde343e761f5275",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "327b2a457dd7d5445f7395f371f3c65de79bd5ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "cce630c751279e974fa0bb574d80575e0cc7e8f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "206f396f46149dc8bc4dfd2b54b9879ba3ee1d7d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "96f01b53c2d05e003b040892256de54a586e8529",
                            "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/xfrm/espintcp.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.18.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d37a5b87577c4b4c1a1dcb000a9dff1df2cf886b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6c29681207bc213188afa603dff2d55e7178a341"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a8243fd2e21980fa3fd10c0610e9155057cebd3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b2b84e73e0386ad0b4f9b8d3afde343e761f5275"
                },
                {
                    "url": "https://git.kernel.org/stable/c/327b2a457dd7d5445f7395f371f3c65de79bd5ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cce630c751279e974fa0bb574d80575e0cc7e8f3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/206f396f46149dc8bc4dfd2b54b9879ba3ee1d7d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/96f01b53c2d05e003b040892256de54a586e8529"
                }
            ],
            "title": "net: xfrm: reject unrepresentable espintcp transport headers",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}