net: stmmac: make sure that ptp_rate is not 0 before configuring EST

{
  "id": "f13c62daa7a775ad13457c57c6347b26da0bdaf90e2ea81931a3488ec9101ca8",
  "url": "https://osv.dev/vulnerability/CVE-2025-38125",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: stmmac: make sure that ptp_rate is not 0 before configuring EST",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: stmmac: make sure that ptp_rate is not 0 before configuring EST If the ptp_rate recorded earlier in the driver happens to be 0, this bogus value will propagate up to EST configuration, where it will trigger a division by 0. Prevent this division by 0 by adding the corresponding check and error code.",
    "evidence": "osv:CVE-2025-38125",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.199",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.120",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38125",
      "aliases": [
        "CVE-2025-38125"
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                {
                  "fixed": "cbefe2ffa7784525ec5d008ba87c7add19ec631a"
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              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38125.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "5.6.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38125.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.059423132Z",
      "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/451ee661d0f6272017fa012f99617101aa8ddf2c",
        "https://git.kernel.org/stable/c/b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b",
        "https://git.kernel.org/stable/c/b92ec4a848728460f181def33735605f154d438f",
        "https://git.kernel.org/stable/c/cbefe2ffa7784525ec5d008ba87c7add19ec631a",
        "https://git.kernel.org/stable/c/d5e3bfdba0dc419499b801937128957f77503761",
        "https://git.kernel.org/stable/c/d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38125.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38125",
        "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/2025/38xxx/CVE-2025-38125.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38125",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 495529,
  "published_at": "2025-07-03T08:35:31.176+00:00"
}