drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table

{
  "id": "8a049d45d5b4068734e6af33eae1aed44c1ce16775218fd608f3356bd3ce78fd",
  "url": "https://osv.dev/vulnerability/CVE-2025-38319",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table The function atomctrl_initialize_mc_reg_table() and atomctrl_initialize_mc_reg_table_v2_2() does not check the return value of smu_atom_get_data_table(). If smu_atom_get_data_table() fails to retrieve vram_info, it returns NULL which is later dereferenced.",
    "evidence": "osv:CVE-2025-38319",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "5.15.186",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.142",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.94",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
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    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38319",
      "aliases": [
        "CVE-2025-38319"
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            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38319.json"
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      ],
      "modified": "2026-10-28T02:30:25.684319744Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/64f3acc8c7e6809631457b75638601b36dea3129",
        "https://git.kernel.org/stable/c/7080c20a9139842033ed4af604dc1fa4028593ad",
        "https://git.kernel.org/stable/c/820116a39f96bdc7d426c33a804b52f53700a919",
        "https://git.kernel.org/stable/c/85cdcb834fb490731ff2d123f87ca799c57dacf2",
        "https://git.kernel.org/stable/c/a4ff7391c8b75b1541900bd9d0c238e558c11fb3",
        "https://git.kernel.org/stable/c/cdf7e1ff99ab06ef15d0b5d1aca5258a4fb62b85",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38319.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38319",
        "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/2025/38xxx/CVE-2025-38319.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38319",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 492203,
  "published_at": "2025-07-10T07:42:25.111+00:00"
}