{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-99026",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.386Z",
        "datePublished": "2026-10-23T12:21:13.509Z",
        "dateUpdated": "2026-10-23T12:21:13.509Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-23T12:21:13.509Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: team: free skb when broadcast has no txable port\n\nbc_transmit() sends the original skb through the last txable port.\nWhen no port is txable, it returns false without consuming the skb, but\nteam_xmit() still returns NETDEV_TX_OK. AF_PACKET sends then retain the\nskb and its socket write-memory charge.\n\nA TX-enabled, link-down port keeps the broadcast transmit op installed.\nCarrier can stay up through a second link-up, TX-disabled port or be\nforced on by userspace. Free the original skb on the no-port path while\nleaving the existing drop accounting intact.\n\nDiscovered by Sashiko during review of previous commit."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/team/team_mode_broadcast.c"
                    ],
                    "versions": [
                        {
                            "version": "5fc889911a99043a97da1daa0d010ad72cbc3042",
                            "lessThan": "961563117626f4681623077ec0cfd86f86da0d49",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5fc889911a99043a97da1daa0d010ad72cbc3042",
                            "lessThan": "f34b1bcac4581a5bd3daf9eff90f175e736b54aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5fc889911a99043a97da1daa0d010ad72cbc3042",
                            "lessThan": "489114c9ecae44e523361a4b3e610ee5ebd9189c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/team/team_mode_broadcast.c"
                    ],
                    "versions": [
                        {
                            "version": "3.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "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": "3.6",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.6",
                                    "versionEndExcluding": "7.2.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.6",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/961563117626f4681623077ec0cfd86f86da0d49"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f34b1bcac4581a5bd3daf9eff90f175e736b54aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/489114c9ecae44e523361a4b3e610ee5ebd9189c"
                }
            ],
            "title": "net: team: free skb when broadcast has no txable port",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}