{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-38306",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-38306"
  ],
  "published": "2025-07-10T07:42:34Z",
  "summary": "fs/fhandle.c: fix a race in call of has_locked_children()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/fhandle.c: fix a race in call of has_locked_children()\n\nmay_decode_fh() is calling has_locked_children() while holding no locks.\nThat's an oopsable race...\n\nThe rest of the callers are safe since they are holding namespace_sem and\nare guaranteed a positive refcount on the mount in question.\n\nRename the current has_locked_children() to __has_locked_children(), make\nit static and switch the fs/namespace.c users to it.\n\nMake has_locked_children() a wrapper for __has_locked_children(), calling\nthe latter under read_seqlock_excl(&mount_lock).",
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        "ecosystem": "Raspberry Pi OS:12",
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-38306"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6482c3dccbfb8d20e2856ce67c75856859930b3f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/287c7d34eedd37af1272dfb3b6e8656f4f026424"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1f282cdc1d219c4a557f7009e81bc792820d9d9a"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}