drm/amd/display: Fix a debugfs null pointer error

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  "url": "https://osv.dev/vulnerability/CVE-2023-52673",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/display: Fix a debugfs null pointer error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a debugfs null pointer error [WHY & HOW] Check whether get_subvp_en() callback exists before calling it.",
    "evidence": "osv:CVE-2023-52673",
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      "modified": "2026-10-28T02:30:44.117639967Z",
      "provider": "osv",
      "references": [
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        "https://git.kernel.org/stable/c/efb91fea652a42fcc037d2a9ef4ecd1ffc5ff4b7",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52673.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52673",
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  "source_id": "core-osv",
  "document_id": 511681,
  "published_at": "2024-05-17T14:02:14.71+00:00"
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