CVE-2025-40202

{
  "id": "CVE-2025-40202",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-11-12T22:15:47.403",
  "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\nipmi: Rework user message limit handling\n\nThe limit on the number of user messages had a number of issues,\nimproper counting in some cases and a use after free.\n\nRestructure how this is all done to handle more in the receive message\nallocation routine, so all refcouting and user message limit counts\nare done in that routine.  It's a lot cleaner and safer."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nipmi: Reestructurar el manejo del límite de mensajes de usuario\n\nEl límite en el número de mensajes de usuario tenía una serie de problemas, conteo incorrecto en algunos casos y un uso después de liberar.\n\nReestructurar cómo se hace todo esto para manejar más en la rutina de asignación de mensajes de recepción, de modo que todo el conteo de referencias y los conteos de límite de mensajes de usuario se realicen en esa rutina. Es mucho más limpio y seguro."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82",
              "lessThan": "f63723ca7d7623f9dae1990973cd158671f03c56",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82",
              "lessThan": "348121b29594d42d1635648fd3ed31dfa25351d5",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82",
              "lessThan": "53d6e403affbf6df2c859a0ea00ccfc1e72090ca",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82",
              "lessThan": "0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "8e76741c3d8b20dfa2d6c30fa10ff927cfd93d82",
              "lessThan": "b52da4054ee0bf9ecb44996f2c83236ff50b3812",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "5.19",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.157",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.113",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.54",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.17.4",
              "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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0ed73be9a2547ffb9b5c1d879ad9bfab73d920b5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/348121b29594d42d1635648fd3ed31dfa25351d5",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/53d6e403affbf6df2c859a0ea00ccfc1e72090ca",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b52da4054ee0bf9ecb44996f2c83236ff50b3812",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f63723ca7d7623f9dae1990973cd158671f03c56",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}