drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()

{
  "id": "a37b7ea759859fb16c09955672b641a4f6b07ccd9776e9144e3e039fb766a76e",
  "url": "https://osv.dev/vulnerability/CVE-2025-21780",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() It malicious user provides a small pptable through sysfs and then a bigger pptable, it may cause buffer overflow attack in function smu_sys_set_pp_table().",
    "evidence": "osv:CVE-2025-21780",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "6.1.129",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.6.79",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.13.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-21780",
      "aliases": [
        "CVE-2025-21780"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
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                  "fixed": "e43a8b9c4d700ffec819c5043a48769b3e7d9cab"
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                  "fixed": "2498d2db1d35e88a2060ea191ae75dce853dd084"
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                {
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            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21780.json"
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      ],
      "modified": "2026-10-28T02:30:46.489854202Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
        "https://git.kernel.org/stable/c/1abb2648698bf10783d2236a6b4a7ca5e8021699",
        "https://git.kernel.org/stable/c/231075c5a8ea54f34b7c4794687baa980814e6de",
        "https://git.kernel.org/stable/c/2498d2db1d35e88a2060ea191ae75dce853dd084",
        "https://git.kernel.org/stable/c/3484ea33157bc7334f57e64826ec5a4bf992151a",
        "https://git.kernel.org/stable/c/e43a8b9c4d700ffec819c5043a48769b3e7d9cab",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21780.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21780",
        "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/2025/21xxx/CVE-2025-21780.json"
      }
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    "related_cves": [
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        "value": "CVE-2025-21780",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514483,
  "published_at": "2025-02-27T02:18:23.543+00:00"
}