drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities

{
  "id": "0dcc42f7d77d16a0f9b91d815674beed58435daca8e14541239b217f2a76d1c3",
  "url": "https://osv.dev/vulnerability/CVE-2025-39707",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities HUBBUB structure is not initialized on DCE hardware, so check if it is NULL to avoid null dereference while accessing amdgpu_dm_capabilities file in debugfs.",
    "evidence": "osv:CVE-2025-39707",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.44",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.16.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-39707",
      "aliases": [
        "CVE-2025-39707"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c"
                },
                {
                  "fixed": "83cfdc2b018cd9c0f927b781d4e07c0d4a911fac"
                },
                {
                  "fixed": "98e92fceb9507901e3e8b550e93b843306abd354"
                },
                {
                  "fixed": "b4a69f7f29c8a459ad6b4d8a8b72450f1d9fd288"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39707.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "6.12.44"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.16.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39707.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.321185461Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/83cfdc2b018cd9c0f927b781d4e07c0d4a911fac",
        "https://git.kernel.org/stable/c/98e92fceb9507901e3e8b550e93b843306abd354",
        "https://git.kernel.org/stable/c/b4a69f7f29c8a459ad6b4d8a8b72450f1d9fd288",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39707.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39707",
        "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/2025/39xxx/CVE-2025-39707.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39707",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 497320,
  "published_at": "2025-09-05T17:21:13.958+00:00"
}