ethtool: module: avoid leaking a netdev ref on module flash errors

{
  "id": "477994167eaa4c809812b83efc12880b8390c9d01664e1c3053666c24600e35c",
  "url": "https://osv.dev/vulnerability/CVE-2026-63997",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ethtool: module: avoid leaking a netdev ref on module flash errors",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors module_flash_fw_schedule() is missing undo for setting the \"in_progress\" flag and taking the netdev reference. Delay taking these, the device can't disappear while we are holding rtnl_lock.",
    "evidence": "osv:CVE-2026-63997",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.93",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.35",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.12",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-63997",
      "aliases": [
        "CVE-2026-63997"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e"
                },
                {
                  "fixed": "f7b4513e77f9571dc1041a798b93b5c4a4bfc191"
                },
                {
                  "fixed": "61848c83b9132ab839809fe415ba7802a0aca4f6"
                },
                {
                  "fixed": "956b134d917fd7e014dc7e39a9b7610c04fcc9ba"
                },
                {
                  "fixed": "fb7f511d62692661846c47f199e0afe25c2982db"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63997.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "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"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63997.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.293064655Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6",
        "https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba",
        "https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191",
        "https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63997.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-63997",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63997.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-63997",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 489375,
  "published_at": "2026-07-19T14:56:15.965+00:00"
}