{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-22988",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.937Z",
        "datePublished": "2026-01-23T15:24:09.756Z",
        "dateUpdated": "2026-05-11T21:57:49.827Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:57:49.827Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narp: do not assume dev_hard_header() does not change skb->head\n\narp_create() is the only dev_hard_header() caller\nmaking assumption about skb->head being unchanged.\n\nA recent commit broke this assumption.\n\nInitialize @arp pointer after dev_hard_header() call."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/arp.c"
                    ],
                    "versions": [
                        {
                            "version": "17e7386234f740f3e7d5e58a47b5847ea34c3bc2",
                            "lessThan": "e432dbff342b95fe44645f9a90fcf333c80f4b5e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "41a1a3140aff295dee8063906f70a514548105e8",
                            "lessThan": "393525dee5c39acff8d6705275d7fcaabcfb7f0a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "adee129db814474f2f81207bd182bf343832a52e",
                            "lessThan": "70bddc16491ef4681f3569b3a2c80309a3edcdd1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1717357007db150c2d703f13f5695460e960f26c",
                            "lessThan": "029935507d0af6553c45380fbf6feecf756fd226",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5fe210533e3459197eabfdbf97327dacbdc04d60",
                            "lessThan": "dd6ccec088adff4bdf33e2b2dd102df20a7128fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "91a2b25be07ce1a7549ceebbe82017551d2eec92",
                            "lessThan": "949647e7771a4a01963fe953a96d81fba7acecf3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "db5b4e39c4e63700c68a7e65fc4e1f1375273476",
                            "lessThan": "c92510f5e3f82ba11c95991824a41e59a9c5ed81",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/arp.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1.160",
                            "lessThan": "6.1.161",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.120",
                            "lessThan": "6.6.121",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.64",
                            "lessThan": "6.12.66",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.4",
                            "lessThan": "6.18.6",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.160",
                                    "versionEndExcluding": "6.1.161"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.120",
                                    "versionEndExcluding": "6.6.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.64",
                                    "versionEndExcluding": "6.12.66"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18.4",
                                    "versionEndExcluding": "6.18.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81"
                }
            ],
            "title": "arp: do not assume dev_hard_header() does not change skb->head",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}