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CVE-2025-40227

Estado: AplazadaSin puntuar—

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

mm/damon/sysfs: dealloc commit test ctx always

The damon_ctx for testing online DAMON parameters commit inputs is deallocated only when the test fails. This means memory is leaked for every successful online DAMON parameters commit. Fix the leak by always deallocating it.

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)

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{
  "id": "CVE-2025-40227",
  "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": "4c9ea539ad59ec60676930dacee02b7adde2e0c0",
              "lessThan": "ba236520ae53418859f4b7c7de3c71478d3c0b5a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "4c9ea539ad59ec60676930dacee02b7adde2e0c0",
              "lessThan": "139e7a572af0b45f558b5e502121a768dc328ba8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "mm/damon/sysfs.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.15",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.17.6",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "mm/damon/sysfs.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-04T16:16:15.333",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/139e7a572af0b45f558b5e502121a768dc328ba8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ba236520ae53418859f4b7c7de3c71478d3c0b5a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs: dealloc commit test ctx always\n\nThe damon_ctx for testing online DAMON parameters commit inputs is\ndeallocated only when the test fails.  This means memory is leaked for\nevery successful online DAMON parameters commit.  Fix the leak by always\ndeallocating it."
    }
  ],
  "lastModified": "2026-06-17T09:21:29.490",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}