drm/amdgpu: fix NULL pointer issue buffer funcs

{
  "id": "4c387b614f836a36579bbc53967aca5123889043e315b1140e7cdeff2243d2c6",
  "url": "https://osv.dev/vulnerability/CVE-2025-71294",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: fix NULL pointer issue buffer funcs",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix NULL pointer issue buffer funcs If SDMA block not enabled, buffer_funcs will not initialize, fix the null pointer issue if buffer_funcs not initialized.",
    "evidence": "osv:CVE-2025-71294",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.75",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-71294",
      "aliases": [
        "CVE-2025-71294"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "29fd416e0e08aa6d5a97fd313749d08d83de0826"
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                {
                  "fixed": "276028fd9b60bbcc68796d1124b6b58298f4ca8a"
                },
                {
                  "fixed": "3e849a93bff40f0c88a8aafba062b1de0ec2797b"
                },
                {
                  "fixed": "9877a865d62c9c3e0f4cc369dc9ca9f7f24f5ee9"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71294.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.75"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71294.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.154170880Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/276028fd9b60bbcc68796d1124b6b58298f4ca8a",
        "https://git.kernel.org/stable/c/29fd416e0e08aa6d5a97fd313749d08d83de0826",
        "https://git.kernel.org/stable/c/3e849a93bff40f0c88a8aafba062b1de0ec2797b",
        "https://git.kernel.org/stable/c/9877a865d62c9c3e0f4cc369dc9ca9f7f24f5ee9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71294.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-71294",
        "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/2025/71xxx/CVE-2025-71294.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-71294",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 491759,
  "published_at": "2026-05-06T11:32:25.247+00:00"
}