CVE-2025-40192 (GCVE-0-2025-40192)

Vulnerability from cvelistv5 – Published: 2025-11-12 21:56 – Updated: 2026-05-11 21:44
VLAI
Title
Revert "ipmi: fix msg stack when IPMI is disconnected"
Summary
In the Linux kernel, the following vulnerability has been resolved: Revert "ipmi: fix msg stack when IPMI is disconnected" This reverts commit c608966f3f9c2dca596967501d00753282b395fc. This patch has a subtle bug that can cause the IPMI driver to go into an infinite loop if the BMC misbehaves in a certain way. Apparently certain BMCs do misbehave this way because several reports have come in recently about this.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c608966f3f9c2dca596967501d00753282b395fc , < f4aab940ae9eb3ba32e5332b35703673f00d7f37 (git)
Affected: c608966f3f9c2dca596967501d00753282b395fc , < b9cc7155e65f6feca51bfedd543b9bd300e2be2b (git)
Affected: c608966f3f9c2dca596967501d00753282b395fc , < 8cf5c24533b8058910fcb83a25a9cf0306383780 (git)
Affected: c608966f3f9c2dca596967501d00753282b395fc , < 5d09ee1bec870263f4ace439402ea840503b503b (git)
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Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.6.113 , ≤ 6.6.* (semver)
Unaffected: 6.12.54 , ≤ 6.12.* (semver)
Unaffected: 6.17.4 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_kcs_sm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f4aab940ae9eb3ba32e5332b35703673f00d7f37",
              "status": "affected",
              "version": "c608966f3f9c2dca596967501d00753282b395fc",
              "versionType": "git"
            },
            {
              "lessThan": "b9cc7155e65f6feca51bfedd543b9bd300e2be2b",
              "status": "affected",
              "version": "c608966f3f9c2dca596967501d00753282b395fc",
              "versionType": "git"
            },
            {
              "lessThan": "8cf5c24533b8058910fcb83a25a9cf0306383780",
              "status": "affected",
              "version": "c608966f3f9c2dca596967501d00753282b395fc",
              "versionType": "git"
            },
            {
              "lessThan": "5d09ee1bec870263f4ace439402ea840503b503b",
              "status": "affected",
              "version": "c608966f3f9c2dca596967501d00753282b395fc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_kcs_sm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.113",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.54",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.4",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"ipmi: fix msg stack when IPMI is disconnected\"\n\nThis reverts commit c608966f3f9c2dca596967501d00753282b395fc.\n\nThis patch has a subtle bug that can cause the IPMI driver to go into an\ninfinite loop if the BMC misbehaves in a certain way.  Apparently\ncertain BMCs do misbehave this way because several reports have come in\nrecently about this."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:44:32.428Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f4aab940ae9eb3ba32e5332b35703673f00d7f37"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9cc7155e65f6feca51bfedd543b9bd300e2be2b"
        },
        {
          "url": "https://git.kernel.org/stable/c/8cf5c24533b8058910fcb83a25a9cf0306383780"
        },
        {
          "url": "https://git.kernel.org/stable/c/5d09ee1bec870263f4ace439402ea840503b503b"
        }
      ],
      "title": "Revert \"ipmi: fix msg stack when IPMI is disconnected\"",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40192",
    "datePublished": "2025-11-12T21:56:31.476Z",
    "dateReserved": "2025-04-16T07:20:57.177Z",
    "dateUpdated": "2026-05-11T21:44:32.428Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-40192",
      "date": "2026-10-22",
      "epss": "0.00199",
      "percentile": "0.09195"
    },
    "microsoft_vex": {
      "current_release_date": "2025-12-07T01:52:27.000Z",
      "cve": "CVE-2025-40192",
      "id": "msrc_CVE-2025-40192",
      "initial_release_date": "2025-11-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Revert \"ipmi: fix msg stack when IPMI is disconnected\"",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-40192.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/char/ipmi/ipmi_kcs_sm.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "f4aab940ae9eb3ba32e5332b35703673f00d7f37",
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                    "versionType": "git"
                  },
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                    "lessThan": "b9cc7155e65f6feca51bfedd543b9bd300e2be2b",
                    "status": "affected",
                    "version": "c608966f3f9c2dca596967501d00753282b395fc",
                    "versionType": "git"
                  },
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                    "lessThan": "8cf5c24533b8058910fcb83a25a9cf0306383780",
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                    "versionType": "git"
                  },
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                    "status": "affected",
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                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/char/ipmi/ipmi_kcs_sm.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.2"
                  },
                  {
                    "lessThan": "6.2",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.113",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.54",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.17.*",
                    "status": "unaffected",
                    "version": "6.17.4",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.18",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"ipmi: fix msg stack when IPMI is disconnected\"\n\nThis reverts commit c608966f3f9c2dca596967501d00753282b395fc.\n\nThis patch has a subtle bug that can cause the IPMI driver to go into an\ninfinite loop if the BMC misbehaves in a certain way.  Apparently\ncertain BMCs do misbehave this way because several reports have come in\nrecently about this."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nRevertir \u201cipmi: corregir la pila de mensajes cuando IPMI est\u00e1 desconectado\u201d\n\nEsto revierte el commit c608966f3f9c2dca596967501d00753282b395fc.\n\nEste parche tiene un error sutil que puede causar que el controlador IPMI entre en un bucle infinito si el BMC se comporta de manera incorrecta de cierta forma. Aparentemente, ciertos BMCs s\u00ed se comportan de esta manera incorrecta, ya que se han recibido varios informes recientemente al respecto."
          }
        ],
        "id": "CVE-2025-40192",
        "lastModified": "2026-10-19T21:10:00.160",
        "metrics": {},
        "published": "2025-11-12T22:15:46.193",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5d09ee1bec870263f4ace439402ea840503b503b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/8cf5c24533b8058910fcb83a25a9cf0306383780"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/b9cc7155e65f6feca51bfedd543b9bd300e2be2b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/f4aab940ae9eb3ba32e5332b35703673f00d7f37"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:14:07+00:00",
      "cve": "CVE-2025-40192",
      "id": "CVE-2025-40192",
      "initial_release_date": "2025-11-12T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Revert \"ipmi: fix msg stack when IPMI is disconnected\"",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40192.json",
      "version": "3"
    }
  }
}



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