gpio: sifive: Fix refcount leak in sifive_gpio_probe

{
  "id": "4284e19d5861ca6125f2c05a02fe4af9943348df0b0b64d9a1aefe17bc402745",
  "url": "https://osv.dev/vulnerability/CVE-2023-53592",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "gpio: sifive: Fix refcount leak in sifive_gpio_probe",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: gpio: sifive: Fix refcount leak in sifive_gpio_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.",
    "evidence": "osv:CVE-2023-53592",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "5.10.163",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.87",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53592",
      "aliases": [
        "CVE-2023-53592"
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      "affected": [
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              "type": "GIT",
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        {
          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "5.6.0"
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            {
              "type": "ECOSYSTEM",
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                {
                  "fixed": "6.0.19"
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            {
              "type": "ECOSYSTEM",
              "events": [
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:31.378123632Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/694175cd8a1643cde3acb45c9294bca44a8e08e9",
        "https://git.kernel.org/stable/c/95da1882ce9372ba20278f87cdb7a34f9812c4b5",
        "https://git.kernel.org/stable/c/9a402a210798662b04cbe6ca466e916a15efa03a",
        "https://git.kernel.org/stable/c/f4a2ad1002006548e235255c65a4f1d07312be9d",
        "https://git.kernel.org/stable/c/f9fb4776ebbc16dfc512adbdc0fe218acb47c7cc",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53592.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53592",
        "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/2023/53xxx/CVE-2023-53592.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53592",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 498371,
  "published_at": "2025-10-04T15:44:06.162+00:00"
}