{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e"
            },
            {
              "fixed": "f7b4513e77f9571dc1041a798b93b5c4a4bfc191"
            },
            {
              "fixed": "61848c83b9132ab839809fe415ba7802a0aca4f6"
            },
            {
              "fixed": "956b134d917fd7e014dc7e39a9b7610c04fcc9ba"
            },
            {
              "fixed": "fb7f511d62692661846c47f199e0afe25c2982db"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.11.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63997.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: module: avoid leaking a netdev ref on module flash errors\n\nmodule_flash_fw_schedule() is missing undo for setting\nthe \"in_progress\" flag and taking the netdev reference.\nDelay taking these, the device can't disappear while\nwe are holding rtnl_lock.",
  "id": "CVE-2026-63997",
  "modified": "2026-07-21T03:41:48.741598046Z",
  "published": "2026-07-19T14:56:15.965Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63997.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63997"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "ethtool: module: avoid leaking a netdev ref on module flash errors"
}