ACPI: pfr_update: Fix the driver update version check

{
  "id": "2ac1f920ff674cabb4f6b482fa10534950eb6b378fb79fc7f085145d48a6205d",
  "url": "https://osv.dev/vulnerability/CVE-2025-39701",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ACPI: pfr_update: Fix the driver update version check",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ACPI: pfr_update: Fix the driver update version check The security-version-number check should be used rather than the runtime version check for driver updates. Otherwise, the firmware update would fail when the update binary had a lower runtime version number than the current one. [ rjw: Changelog edits ]",
    "evidence": "osv:CVE-2025-39701",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.149",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.103",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.44",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.16.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-39701",
      "aliases": [
        "CVE-2025-39701"
      ],
      "affected": [
        {
          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                {
                  "fixed": "79300ff532bccbbf654992c7c0863b49a6c3973c"
                },
                {
                  "fixed": "cf0a88124e357bffda487cbf3cb612bb97eb97e4"
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                {
                  "fixed": "b00219888c11519ef75d988fa8a780da68ff568e"
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                  "fixed": "908094681f645d3a78e18ef90561a97029e2df7b"
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                  "fixed": "8151320c747efb22d30b035af989fed0d502176e"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39701.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.17.0"
                },
                {
                  "fixed": "6.1.149"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.103"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.7.0"
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                {
                  "fixed": "6.12.44"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.13.0"
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                {
                  "fixed": "6.16.4"
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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-2025-39701.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.000128368Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
        "https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c",
        "https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176e",
        "https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7b",
        "https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568e",
        "https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39701.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39701",
        "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-2025-39701.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39701",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506721,
  "published_at": "2025-09-05T17:21:07.58+00:00"
}