CVE-2025-40075

{
  "id": "CVE-2025-40075",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-10-28T12:15:42.053",
  "lastModified": "2026-10-30T13:18:13.210",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp_metrics: use dst_dev_net_rcu()\n\nReplace three dst_dev() with a lockdep enabled helper."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ntcp_metrics: usar dst_dev_net_rcu()\n\nReemplazar tres dst_dev() con un ayudante habilitado para lockdep."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "net/ipv4/tcp_metrics.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "lessThan": "23261817e955ebeb91d7c5c667d09fa415eb88b4",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "lessThan": "7012bea5622396b37566fbdc059f7c6a6c279d74",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "lessThan": "4b89397807eb04986427c4786d065e9442834ad4",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "lessThan": "07613a95326ebad2d1b88d883cd72546025a4f3e",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "lessThan": "50c127a69cd6285300931853b352a1918cfa180f",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "net/ipv4/tcp_metrics.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.13",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.13",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.191",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.160",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.63",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.17.3",
              "lessThanOrEqual": "6.17.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18",
              "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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-15T21:56:41.266469Z",
          "id": "CVE-2025-40075",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/07613a95326ebad2d1b88d883cd72546025a4f3e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/23261817e955ebeb91d7c5c667d09fa415eb88b4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4b89397807eb04986427c4786d065e9442834ad4",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/50c127a69cd6285300931853b352a1918cfa180f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7012bea5622396b37566fbdc059f7c6a6c279d74",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}