{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80600",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.771Z",
        "datePublished": "2026-08-28T06:48:27.351Z",
        "dateUpdated": "2026-08-28T06:48:27.351Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:48:27.351Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: acquire ARP hw source 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/distributed-arp-table.c"
                    ],
                    "versions": [
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "a82fc217cb7a447313c76ebf9f09b100771b0ddf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "86aa79b43e5b561fd3648891165bd7313b541315",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "d755cd001fa2c248e186c1fc3df3d11d97dc843c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "01678c53a7717a748aee388b6839e7b9761d641c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "3b4c70c40f2e135a50cd38fc61c7d23a296a9981",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "059a70e1d12d6d99310e0599d37b0323557569a8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b61ec31c85756bbc898fb892555509afe709459a",
                            "lessThan": "48067b2ae4504500a7093d9e1e16b42e70330480",
                            "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/distributed-arp-table.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "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": "5.1",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a82fc217cb7a447313c76ebf9f09b100771b0ddf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86aa79b43e5b561fd3648891165bd7313b541315"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d755cd001fa2c248e186c1fc3df3d11d97dc843c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146"
                },
                {
                    "url": "https://git.kernel.org/stable/c/01678c53a7717a748aee388b6839e7b9761d641c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b4c70c40f2e135a50cd38fc61c7d23a296a9981"
                },
                {
                    "url": "https://git.kernel.org/stable/c/059a70e1d12d6d99310e0599d37b0323557569a8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48067b2ae4504500a7093d9e1e16b42e70330480"
                }
            ],
            "title": "batman-adv: dat: acquire ARP hw source only after skb realloc",
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}