drm/mediatek: fix potential OF node use-after-free

{
  "id": "71c89c67d29b0bd6313e48fad499e8f22950822ee5dd84caff632d34e1df6ac9",
  "url": "https://osv.dev/vulnerability/CVE-2025-39882",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/mediatek: fix potential OF node use-after-free",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: fix potential OF node use-after-free The for_each_child_of_node() helper drops the reference it takes to each node as it iterates over children and an explicit of_node_put() is only needed when exiting the loop early. Drop the recently introduced bogus additional reference count decrement at each iteration that could potentially lead to a use-after-free.",
    "evidence": "osv:CVE-2025-39882",
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      "modified": "2026-10-28T02:30:40.984036177Z",
      "provider": "osv",
      "references": [
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        "https://git.kernel.org/stable/c/b2fbe0f9f80b9cfa1e06ddcf8b863d918394ef1d",
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        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39882.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39882",
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  "source_id": "core-osv",
  "document_id": 508736,
  "published_at": "2025-09-23T06:00:51.036+00:00"
}