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CVE-2025-40325

Estado: ModificadaMedia (5.5)—

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

md/raid10: wait barrier before returning discard request with REQ_NOWAIT

raid10_handle_discard should wait barrier before returning a discard bio which has REQ_NOWAIT. And there is no need to print warning calltrace if a discard bio has REQ_NOWAIT flag. Quality engineer usually checks dmesg and reports error if dmesg has warning/error calltrace.

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)

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{
  "id": "CVE-2025-40325",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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
      }
    ]
  },
  "affected": [
    {
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      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "c9aa889b035fca4598ae985a0f0c76ebbb547ad2",
              "lessThan": "31ff67982c5fa39c0093b9d9f429fef91c2494b7",
              "versionType": "git"
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              "status": "affected",
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            {
              "status": "affected",
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            {
              "status": "affected",
              "version": "5.15.111",
              "lessThan": "5.16",
              "versionType": "semver"
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          ],
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            "drivers/md/raid10.c"
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              "status": "affected",
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              "versionType": "semver"
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              "status": "unaffected",
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              "status": "unaffected",
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            },
            {
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
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          ],
          "programFiles": [
            "drivers/md/raid10.c"
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          "defaultStatus": "affected"
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      ]
    }
  ],
  "published": "2025-04-18T07:15:44.870",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/31d3156efe909b53ba174861a3da880c688f5edc",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: wait barrier before returning discard request with REQ_NOWAIT\n\nraid10_handle_discard should wait barrier before returning a discard bio\nwhich has REQ_NOWAIT. And there is no need to print warning calltrace\nif a discard bio has REQ_NOWAIT flag. Quality engineer usually checks\ndmesg and reports error if dmesg has warning/error calltrace."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: md/raid10: esperar la barrera antes de devolver una solicitud de descarte con REQ_NOWAIT. raid10_handle_discard debe esperar la barrera antes de devolver una bio de descarte con REQ_NOWAIT. No es necesario imprimir un seguimiento de llamadas de advertencia si una bio de descarte tiene la bandera REQ_NOWAIT. El ingeniero de calidad suele revisar dmesg e informa de un error si dmesg tiene un seguimiento de llamadas de advertencia/error."
    }
  ],
  "lastModified": "2026-06-17T09:21:39.770",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "5.16",
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            },
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              "vulnerable": true,
              "matchCriteriaId": "A162ECD2-AB14-48BB-9378-811E49A259DE",
              "versionEndExcluding": "6.14.2",
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          "operator": "OR"
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}