{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "89e5785fc8a6b9eafd37f2318a9a76d479c796be"
            },
            {
              "fixed": "0e9797dc4ebdefe1b7f931b1f92d5e98e5dbf655"
            },
            {
              "fixed": "6124bd785073659c99385094657b77382ebce11b"
            },
            {
              "fixed": "2143fdc0ce27adbb1caaa1a97e0bfb9f3750aef4"
            },
            {
              "fixed": "26b131b2d5b55a81ef6182769d28105a870c0eb2"
            },
            {
              "fixed": "109241d9880488aafd8e104832b4d4859ad57244"
            },
            {
              "fixed": "27f575836cfebbf872dec020428742b10650a955"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.20"
            },
            {
              "fixed": "6.1.184"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72017.json"
  },
  "details": "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-\u003etx_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.",
  "id": "CVE-2026-72017",
  "modified": "2026-08-25T03:51:29.792149568Z",
  "published": "2026-08-15T05:51:44.698Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e9797dc4ebdefe1b7f931b1f92d5e98e5dbf655"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/109241d9880488aafd8e104832b4d4859ad57244"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2143fdc0ce27adbb1caaa1a97e0bfb9f3750aef4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26b131b2d5b55a81ef6182769d28105a870c0eb2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27f575836cfebbf872dec020428742b10650a955"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6124bd785073659c99385094657b77382ebce11b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72017.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72017"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: macb: drop in-flight Tx SKBs on close"
}