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CVE-2025-40021

Estado: AplazadaSin puntuar—

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

tracing: dynevent: Add a missing lockdown check on dynevent

Since dynamic_events interface on tracefs is compatible with kprobe_events and uprobe_events, it should also check the lockdown status and reject if it is set.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-40021",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "07b1f63b5f86765793fab44d3d4c2be681cddafb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "3887f3814c0e770e6b73567fe0f83a2c01a6470c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "573b1e39edfcb7b4eecde0f1664455a1f4462eee",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "17911ff38aa58d3c95c07589dbf5d3564c4cf3c5",
              "lessThan": "456c32e3c4316654f95f9d49c12cbecfb77d5660",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "kernel/trace/trace_dynevent.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.245",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.155",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.109",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.50",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.16.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "kernel/trace/trace_dynevent.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-10-24T13:15:47.263",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/07b1f63b5f86765793fab44d3d4c2be681cddafb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/0d41604d2d53c1abe27fefb54b37a8f6642a4d74",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3887f3814c0e770e6b73567fe0f83a2c01a6470c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/456c32e3c4316654f95f9d49c12cbecfb77d5660",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/573b1e39edfcb7b4eecde0f1664455a1f4462eee",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b47c4e06687a5a7b6c6ef4bd303fcfe4430b26bb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f3ac1f4eaba58e57943efa3e8b8d71fa7aab0abf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: dynevent: Add a missing lockdown check on dynevent\n\nSince dynamic_events interface on tracefs is compatible with\nkprobe_events and uprobe_events, it should also check the lockdown\nstatus and reject if it is set."
    }
  ],
  "lastModified": "2026-06-17T09:21:08.063",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}