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CVE-2025-40056

Estado: AplazadaSin puntuar—

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

vhost: vringh: Fix copy_to_iter return value check

The return value of copy_to_iter can't be negative, check whether the copied length is equal to the requested length instead of checking for negative values.

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-2025-40056",
  "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": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "lessThan": "bd71e7e0a612740e4de5524880c7cd40293af5f7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "lessThan": "781226e11d5bdea0d69c7b5aa3cda874093c73b8",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "lessThan": "b3a950d236e98440c07405ba597b11bce56a8050",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "lessThan": "68aac2b335d474b938d154b9c95cbc58838cb2ce",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "309bba39c945ac8ab8083ac05cd6cfe5822968e0",
              "lessThan": "439263376c2c4e126cac0d07e4987568de4eaba5",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/vhost/vringh.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.156",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.112",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.53",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/vhost/vringh.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-10-28T12:15:39.907",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost: vringh: Fix copy_to_iter return value check\n\nThe return value of copy_to_iter can't be negative, check whether the\ncopied length is equal to the requested length instead of checking for\nnegative values."
    }
  ],
  "lastModified": "2026-06-17T09:21:11.587",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}