{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80601",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.771Z",
        "datePublished": "2026-08-28T06:48:27.948Z",
        "dateUpdated": "2026-08-28T06:48:27.948Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:48:27.948Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: gw: acquire ethernet header only after skb realloc\n\nThe pskb_may_pull() called by batadv_get_vid() could reallocate the buffer\nbehind the skb. Variables which were pointing to the old buffer need to be\nreassigned to avoid an use-after-free."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/batman-adv/gateway_client.c"
                    ],
                    "versions": [
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "2760b38222c8828b075802342fe3b91eb823d542",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "6c37f1166549c999ccd164b0cb6462d1ae68f8f6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "b79884a5567bf788fb76c30832467cf6a56f3c0d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "afac8096bde4948e3caa7e4dd733867cfbd3018e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "e3f4325e35dd6e76b80665f3510738ce34819753",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "e6b43acd34b219b807e65096ce207b087942779d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "916dac5f2944f63f07f7b501acbea6737dbbed0e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6c413b1c22a2c4ef324f1c6f2c282f1ca10a93b9",
                            "lessThan": "77880a3be88d378d60cc1e8f8ec70430e2ed0518",
                            "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/batman-adv/gateway_client.c"
                    ],
                    "versions": [
                        {
                            "version": "3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "3.14",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2760b38222c8828b075802342fe3b91eb823d542"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6c37f1166549c999ccd164b0cb6462d1ae68f8f6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b79884a5567bf788fb76c30832467cf6a56f3c0d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/afac8096bde4948e3caa7e4dd733867cfbd3018e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e3f4325e35dd6e76b80665f3510738ce34819753"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e6b43acd34b219b807e65096ce207b087942779d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/916dac5f2944f63f07f7b501acbea6737dbbed0e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/77880a3be88d378d60cc1e8f8ec70430e2ed0518"
                }
            ],
            "title": "batman-adv: gw: acquire ethernet header only after skb realloc",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}