drm/amdgpu: Bound GPIO I2C table entry count from VBIOS

{
  "id": "30de267fdbe7ba7197d49aee5397ca0ad9ee098685eaf38943abb0d818cb8eec",
  "url": "https://osv.dev/vulnerability/CVE-2026-97493",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: Bound GPIO I2C table entry count from VBIOS",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Bound GPIO I2C table entry count from VBIOS Reject undersized tables and cap the derived entry count to AMDGPU_MAX_I2C_BUS so we do not overrun adev->i2c_bus[] or walk an absurd number of entries on corrupt size fields.",
    "evidence": "osv:CVE-2026-97493",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/1/ranges"
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            "value": "6.6.160",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.114",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.18.53",
            "evidence": "/affected/1/ranges"
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    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-97493",
      "aliases": [
        "CVE-2026-97493"
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        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "4.2.0"
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            {
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          "package": {
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            "ecosystem": "Linux"
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      ],
      "modified": "2026-11-01T02:30:58.307913864Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0786b38af822fcd153d565cc85be7dbd9fed4d25",
        "https://git.kernel.org/stable/c/6db45123306c7167c6867ca3d24924bd7960d947",
        "https://git.kernel.org/stable/c/a99cd231cd924b7160fecb9fb3a94b801522323b",
        "https://git.kernel.org/stable/c/b12abff6a52d96c4114d7668f790b18f9201c17c",
        "https://git.kernel.org/stable/c/f8f0985375c3b977757fd73e2b691ff1bf1ea7b9",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97493.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-97493",
        "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/2026/97xxx/CVE-2026-97493.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-97493",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 510993,
  "published_at": "2026-09-24T16:04:41.12+00:00"
}