xfrm: Fix leak of dev tracker

{
  "id": "10428ac42dc44964fa3e1432bffd27a5a49ae5e1e512d00c3154516596f58e75",
  "url": "https://osv.dev/vulnerability/CVE-2023-54273",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "xfrm: Fix leak of dev tracker",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix leak of dev tracker At the stage of direction checks, the netdev reference tracker is already initialized, but released with wrong *_put() call.",
    "evidence": "osv:CVE-2023-54273",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.3.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-54273",
      "aliases": [
        "CVE-2023-54273"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "919e43fad5163a8ceb39826ecdee897a9f799351"
                },
                {
                  "fixed": "7d16c515059b3746f2d6a24a74c3ba786a68c2a1"
                },
                {
                  "fixed": "ec8f32ad9a65a8cbb465b69e154aaec9d2fe45c4"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54273.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.3.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54273.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.421665522Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/7d16c515059b3746f2d6a24a74c3ba786a68c2a1",
        "https://git.kernel.org/stable/c/ec8f32ad9a65a8cbb465b69e154aaec9d2fe45c4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54273.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54273",
        "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/2023/54xxx/CVE-2023-54273.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54273",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 496381,
  "published_at": "2025-12-30T12:16:02.992+00:00"
}