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CVE-2025-39972

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in i40e_validate_queue_map Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_validate_queue_map().

Severity
HIGH
CVSS score
8.8 (v3.1)
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-10-15 08:15:34.880000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
  "id": "CVE-2025-39972",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-10-15T08:15:34.880",
  "lastModified": "2026-10-19T21:10:00.160",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix idx validation in i40e_validate_queue_map\n\nEnsure idx is within range of active/initialized TCs when iterating over\nvf->ch[idx] in i40e_validate_queue_map()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ni40e: corregir la validación de idx en i40e_validate_queue_map\n\nAsegurar que idx esté dentro del rango de los TCs activos/inicializados al iterar sobre vf->ch[idx] en i40e_validate_queue_map()."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "b6cb93a7ff208f324c7ec581d72995f80e115e0e",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "6f15a7b34fae75e745bdc2ec05e06ddfd0dd2f3c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "34dfac0c904829967d500c51f216916ce1452957",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "4d5e804a9e19b639b18fd13664dbad3c03c79e61",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "cc4191e8ef40d2249c1b9a8617d22ec8a976b574",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "d4e3eaaa3cb3af77836d806c89cd6ebf533a7320",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c27eac48160de72dee33d42b5a33cc7b8a2eb1f5",
              "lessThan": "aa68d3c3ac8d1dcec40d52ae27e39f6d32207009",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.17",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.17",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.4.300",
              "lessThanOrEqual": "5.4.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.10.245",
              "lessThanOrEqual": "5.10.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.15.194",
              "lessThanOrEqual": "5.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.155",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.109",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.50",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.16.10",
              "lessThanOrEqual": "6.16.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.17",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-15T21:55:31.394478Z",
          "id": "CVE-2025-39972",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/34dfac0c904829967d500c51f216916ce1452957",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
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      "url": "https://git.kernel.org/stable/c/4d5e804a9e19b639b18fd13664dbad3c03c79e61",
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    },
    {
      "url": "https://git.kernel.org/stable/c/50a1e2f50f6c22b93b94eb8d168a1be3c05bf5cd",
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    },
    {
      "url": "https://git.kernel.org/stable/c/aa68d3c3ac8d1dcec40d52ae27e39f6d32207009",
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    },
    {
      "url": "https://git.kernel.org/stable/c/b6cb93a7ff208f324c7ec581d72995f80e115e0e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cc4191e8ef40d2249c1b9a8617d22ec8a976b574",
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    {
      "url": "https://git.kernel.org/stable/c/d4e3eaaa3cb3af77836d806c89cd6ebf533a7320",
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  ]
}