drm/meson: Fix refcount leak in meson_encoder_hdmi_init

{
  "id": "ade61e974da99c537b65afe5c0ebb67aff573da3ae7e63e06aa9302ba24e39a6",
  "url": "https://osv.dev/vulnerability/CVE-2022-50188",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/meson: Fix refcount leak in meson_encoder_hdmi_init",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/meson: Fix refcount leak in meson_encoder_hdmi_init of_find_device_by_node() takes reference, we should use put_device() to release it when not need anymore. Add missing put_device() in error path to avoid refcount leak.",
    "evidence": "osv:CVE-2022-50188",
    "products": [
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        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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            "evidence": "/affected/1/ranges"
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          {
            "value": "5.19.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50188",
      "aliases": [
        "CVE-2022-50188"
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              "type": "ECOSYSTEM",
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            {
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            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:51.750968583Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/50446ac34545580d073ff0dd154b796726772668",
        "https://git.kernel.org/stable/c/7381076809586528e2a812a709e2758916318a99",
        "https://git.kernel.org/stable/c/79b15eb0aa059b3a5bc60364ce82eb2cefac80db",
        "https://git.kernel.org/stable/c/bfcca6234b2a36d213f0cc1c127becc17680f7df",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50188.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50188",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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    "related_cves": [
      {
        "value": "CVE-2022-50188",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 520102,
  "published_at": "2025-06-18T11:03:34.887+00:00"
}