accel/ivpu: Add buffer overflow check in MS get_info_ioctl

{
  "id": "f1adf200d99fea301de0f4ba3e00569e004c73aa477d07042fd7b8d8a49df921",
  "url": "https://osv.dev/vulnerability/CVE-2026-53203",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "accel/ivpu: Add buffer overflow check in MS get_info_ioctl",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add buffer overflow check in MS get_info_ioctl Add validation that the info size returned from the metric stream info query is not exceeded when checked against the allocated buffer size. If the firmware returns a size larger than the buffer, reject the operation with -EOVERFLOW instead of proceeding with an incorrect buffer copy.",
    "evidence": "osv:CVE-2026-53203",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.94",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.36",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-53203",
      "aliases": [
        "CVE-2026-53203"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.12.94"
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              ]
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            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "6.13.0"
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                {
                  "fixed": "6.18.36"
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
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                {
                  "fixed": "7.0.13"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53203.json"
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      ],
      "modified": "2026-10-28T02:30:27.148531274Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/4e5047cc94bea1cc7b670b7f503358e9af0542df",
        "https://git.kernel.org/stable/c/d3c12ed33e8923f3090909a1738f3e59292996a6",
        "https://git.kernel.org/stable/c/fa598556ecef412edcb391f144b7642e18fdfd45",
        "https://git.kernel.org/stable/c/fb176425837693f50c5c9fc8db6fbb04af22bd0a",
        "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53203.json",
        "https://access.redhat.com/security/cve/CVE-2026-53203",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53203.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53203",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2492798",
        "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/2026/53xxx/CVE-2026-53203.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-53203",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493947,
  "published_at": "2026-06-25T08:39:10.95+00:00"
}