{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72017",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.900Z",
        "datePublished": "2026-08-15T05:51:44.698Z",
        "dateUpdated": "2026-08-23T12:46:26.593Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-23T12:46:26.593Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: drop in-flight Tx SKBs on close\n\nThe MACB driver has since forever leaked the outgoing SKBs that\nhave not yet been marked as completed. They live in queue->tx_skb\nwhich gets freed without remorse nor checking.\n\nmacb_free_consistent() gets called in a few codepaths, but only close will\ntrigger the added expressions. In macb_open() and macb_alloc_consistent()\nfailure cases, queues' tx_skb just got allocated and are empty."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/cadence/macb_main.c"
                    ],
                    "versions": [
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "0e9797dc4ebdefe1b7f931b1f92d5e98e5dbf655",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "6124bd785073659c99385094657b77382ebce11b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "2143fdc0ce27adbb1caaa1a97e0bfb9f3750aef4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "26b131b2d5b55a81ef6182769d28105a870c0eb2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "109241d9880488aafd8e104832b4d4859ad57244",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "89e5785fc8a6b9eafd37f2318a9a76d479c796be",
                            "lessThan": "27f575836cfebbf872dec020428742b10650a955",
                            "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/ethernet/cadence/macb_main.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "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": "2.6.20",
                                    "versionEndExcluding": "6.1.184"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.20",
                                    "versionEndExcluding": "6.6.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.20",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.20",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.20",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.20",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0e9797dc4ebdefe1b7f931b1f92d5e98e5dbf655"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6124bd785073659c99385094657b77382ebce11b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2143fdc0ce27adbb1caaa1a97e0bfb9f3750aef4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26b131b2d5b55a81ef6182769d28105a870c0eb2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/109241d9880488aafd8e104832b4d4859ad57244"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27f575836cfebbf872dec020428742b10650a955"
                }
            ],
            "title": "net: macb: drop in-flight Tx SKBs on close",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}