{
  "configurations": [
    {
      "nodes": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "6.12.11",
              "versionStartIncluding": "6.12.5",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add the missing error handling inside get_canonical_dev_path\n\nInside function get_canonical_dev_path(), we call d_path() to get the\nfinal device path.\n\nBut d_path() can return error, and in that case the next strscpy() call\nwill trigger an invalid memory access.\n\nAdd back the missing error handling for d_path()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: agregar la gesti\u00f3n de errores faltante dentro de get_canonical_dev_path Dentro de la funci\u00f3n get_canonical_dev_path(), llamamos a d_path() para obtener la ruta final del dispositivo. Pero d_path() puede devolver un error y, en ese caso, la siguiente llamada a strscpy() activar\u00e1 un acceso a memoria no v\u00e1lido. Agregue nuevamente la gesti\u00f3n de errores faltante para d_path()."
    }
  ],
  "id": "CVE-2025-21679",
  "lastModified": "2025-10-15T13:39:54.180",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2025-01-31T12:15:29.070",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/d0fb5741932b831eded49bfaaf33353e96200d6d"
    },
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  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}