drm/amd/display: Fix NULL pointer dereference at hibernate

{
  "id": "07a2237a15bd01abeab23d6cac372d3377888fb6dd88afeae410198431e2cebc",
  "url": "https://osv.dev/vulnerability/CVE-2023-52460",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/display: Fix NULL pointer dereference at hibernate",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference at hibernate During hibernate sequence the source context might not have a clk_mgr. So don't use it to look for DML2 support.",
    "evidence": "osv:CVE-2023-52460",
    "products": [
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          "value": "Kernel",
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        "fixed_versions": [
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            "value": "6.7.2",
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        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-52460",
      "aliases": [
        "CVE-2023-52460"
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      "affected": [
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                  "fixed": "b719a9c15d52d4f56bdea8241a5d90fd9197ce99"
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        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.7.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:50.987024192Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/6b80326efff093d037e0971831dca6ebddba9b45",
        "https://git.kernel.org/stable/c/b719a9c15d52d4f56bdea8241a5d90fd9197ce99",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52460.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52460",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52460.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52460",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 519121,
  "published_at": "2024-02-23T14:46:21.642+00:00"
}