{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d6fce5141929697a27f029c633433d487f6f62cb"
            },
            {
              "fixed": "fbc65b17508ed5464b7106e7fa5f15251ca1b603"
            },
            {
              "fixed": "e5afc6d3fabdf1f605d63c4b34a3df6c359e81f3"
            },
            {
              "fixed": "cf419c869e0d03aad4b6f4ecf0a813851930dfe7"
            },
            {
              "fixed": "d6084c47389fd6978a5d66b0d58206a548c792a9"
            },
            {
              "fixed": "8a3c44a003176282ee4306b7c96e5a536c6f0707"
            },
            {
              "fixed": "17f113e7b622dc850992ade540181717de6a8561"
            },
            {
              "fixed": "483be61b4a9a6df3b7cb277e8f189e082dee4cb8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "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-2026-72109.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: unregister blocking notifier on init failure\n\nsparx5_register_notifier_blocks() registers the switchdev blocking\nnotifier before allocating the ordered workqueue. If the workqueue\nallocation fails, the error path unregisters the switchdev and netdevice\nnotifiers, but leaves the blocking notifier registered.\n\nAdd a separate error label for the workqueue allocation failure path and\nunregister the switchdev blocking notifier there.",
  "id": "CVE-2026-72109",
  "modified": "2026-08-18T03:31:16.235588925Z",
  "published": "2026-08-15T05:52:51.067Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17f113e7b622dc850992ade540181717de6a8561"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/483be61b4a9a6df3b7cb277e8f189e082dee4cb8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a3c44a003176282ee4306b7c96e5a536c6f0707"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf419c869e0d03aad4b6f4ecf0a813851930dfe7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d6084c47389fd6978a5d66b0d58206a548c792a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5afc6d3fabdf1f605d63c4b34a3df6c359e81f3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fbc65b17508ed5464b7106e7fa5f15251ca1b603"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72109.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72109"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "net: sparx5: unregister blocking notifier on init failure"
}