drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup

{
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  "url": "https://osv.dev/vulnerability/CVE-2026-93193",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup Sashiko reported a reference leak in rockchip_dp_drm_encoder_enable(), the of_get_child_by_name() function does not call of_node_put() in a symmetrical way [1]. Fix the device node reference leak by using __free(device_node) to automatically manage of_node_put() for all device nodes.",
    "evidence": "osv:CVE-2026-93193",
    "products": [
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        "name": {
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            "value": "6.18.52",
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              "type": "ECOSYSTEM",
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                  "introduced": "6.16.0"
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            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93193.json"
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      ],
      "modified": "2026-10-28T02:30:45.138579336Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/396a193867c6e8ee810287d6f79624144b5629e9",
        "https://git.kernel.org/stable/c/87e060521371257ddbb77964b66e60d80afcc7b2",
        "https://git.kernel.org/stable/c/887315e5d2eb87c3d6d0da9f7610bc5b3113ae30",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93193.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-93193",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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  "source_id": "core-osv",
  "document_id": 513353,
  "published_at": "2026-09-17T16:12:17.117+00:00"
}