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CVE-2025-21769

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

ptp: vmclock: Add .owner to vmclock_miscdev_fops

Without the .owner field, the module can be unloaded while /dev/vmclock0 is open, leading to an oops.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-21769",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-10-01T19:30:47.144293Z"
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
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        "type": "Secondary",
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      "affectedData": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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              "status": "affected",
              "version": "20503272422693d793b84f88bf23fe4e955d3a33",
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          "programFiles": [
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          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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              "status": "affected",
              "version": "6.13"
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            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.13",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.13.4",
              "versionType": "semver",
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          "programFiles": [
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  "published": "2025-02-27T03:15:17.580",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/3b5709225b43ee33e1026dd1fc0949a7f19b5289",
      "tags": [
        "Patch"
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7b07b040257c1b658ef3eca86e4b6ae02d65069c",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: vmclock: Add .owner to vmclock_miscdev_fops\n\nWithout the .owner field, the module can be unloaded while /dev/vmclock0\nis open, leading to an oops."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ptp: vmclock: Agregar .owner a vmclock_miscdev_fops Sin el campo .owner, el módulo se puede descargar mientras /dev/vmclock0 está abierto, lo que genera un error."
    }
  ],
  "lastModified": "2026-06-17T08:44:14.110",
  "configurations": [
    {
      "nodes": [
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          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "6.13.4",
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}