Vulnerability-Lookup

FKIE_CVE-2026-81004

Vulnerability from fkie_nvd - Published: 2026-09-11 20:19 - Updated: 2026-09-13 07:17

Severity

8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Cancel work cleanly on an error If an error occurs during startup of an IPMI interface, it may have scheduled work to run. The work needs to be canceled before the interface can be freed.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/99692252b348c11377fd0cdd66b6b18f3b22758e
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ae84a2536577057e97f23f75a202e26d0e86cf01

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "99692252b348c11377fd0cdd66b6b18f3b22758e",
              "status": "affected",
              "version": "edb6c2118293c1fba9cd11ca80ed043d2411a7e5",
              "versionType": "git"
            },
            {
              "lessThan": "a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf",
              "status": "affected",
              "version": "62cd145453d577113f993efd025f258dd86aa183",
              "versionType": "git"
            },
            {
              "lessThan": "ae84a2536577057e97f23f75a202e26d0e86cf01",
              "status": "affected",
              "version": "62cd145453d577113f993efd025f258dd86aa183",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5199fc5dc9c519115457406009fcefd50721c995",
              "versionType": "git"
            },
            {
              "lessThan": "6.18.50",
              "status": "affected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThan": "6.20",
              "status": "affected",
              "version": "6.19.10",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.0"
            },
            {
              "lessThan": "7.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "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\nipmi:msghandler: Cancel work cleanly on an error\n\nIf an error occurs during startup of an IPMI interface, it may have\nscheduled work to run.  The work needs to be canceled before the\ninterface can be freed."
    }
  ],
  "id": "CVE-2026-81004",
  "lastModified": "2026-09-13T07:17:07.157",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-09-11T20:19:09.057",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/99692252b348c11377fd0cdd66b6b18f3b22758e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ae84a2536577057e97f23f75a202e26d0e86cf01"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

CVE-2026-81004 (GCVE-0-2026-81004)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:42 – Updated: 2026-09-13 06:29

Title

ipmi:msghandler: Cancel work cleanly on an error

Summary

Severity

8.4 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/99692252b348c1137…
https://git.kernel.org/stable/c/a496c51dd3257ed7e…
https://git.kernel.org/stable/c/ae84a2536577057e9…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: edb6c2118293c1fba9cd11ca80ed043d2411a7e5 , < 99692252b348c11377fd0cdd66b6b18f3b22758e (git) Affected: 62cd145453d577113f993efd025f258dd86aa183 , < a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf (git) Affected: 62cd145453d577113f993efd025f258dd86aa183 , < ae84a2536577057e97f23f75a202e26d0e86cf01 (git) Affected: 5199fc5dc9c519115457406009fcefd50721c995 (git) Affected: 6.18.20 , < 6.18.50 (semver) Affected: 6.19.10 , < 6.20 (semver)
Linux	Linux	Affected: 7.0 Unaffected: 0 , < 7.0 (semver) Unaffected: 6.18.50 , ≤ 6.18.* (semver) Unaffected: 7.2.4 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "99692252b348c11377fd0cdd66b6b18f3b22758e",
              "status": "affected",
              "version": "edb6c2118293c1fba9cd11ca80ed043d2411a7e5",
              "versionType": "git"
            },
            {
              "lessThan": "a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf",
              "status": "affected",
              "version": "62cd145453d577113f993efd025f258dd86aa183",
              "versionType": "git"
            },
            {
              "lessThan": "ae84a2536577057e97f23f75a202e26d0e86cf01",
              "status": "affected",
              "version": "62cd145453d577113f993efd025f258dd86aa183",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5199fc5dc9c519115457406009fcefd50721c995",
              "versionType": "git"
            },
            {
              "lessThan": "6.18.50",
              "status": "affected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThan": "6.20",
              "status": "affected",
              "version": "6.19.10",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/char/ipmi/ipmi_msghandler.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.0"
            },
            {
              "lessThan": "7.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.50",
                  "versionStartIncluding": "6.18.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.4",
                  "versionStartIncluding": "7.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc1",
                  "versionStartIncluding": "7.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.19.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipmi:msghandler: Cancel work cleanly on an error\n\nIf an error occurs during startup of an IPMI interface, it may have\nscheduled work to run.  The work needs to be canceled before the\ninterface can be freed."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - ipmi_add_smi() is reached from host-local IPMI system-interface probe (ipmi_si/SSIF/IPMB/PowerNV), not from Linux network-packet processing; a compromised BMC still talks over KCS/SMIC/BT/SSIF/IPMB on the platform, so the attack remains local.\nAC:L - When the lower-layer sender() fails during startup Get Device ID or channel scan, smi_send() queues intf-\u003esmi_work and returns an error; ipmi_add_smi() then frees the interface without cancel_work_sync, so a BMC that returns a bus error deterministically leaves work pending on a freed object.\nPR:N - The vulnerable path runs during automatic SMI registration at boot or device probe; a compromised BMC can fail sender() or Get Device ID after work is queued with no host login, capability, or /dev/ipmiN access.\nUI:N - Driver probe and BMC responses occur without a victim mounting a filesystem, opening a device node, or otherwise interacting.\nS:U - The use-after-free is of host-kernel struct ipmi_smi in the IPMI message handler; it is a standard in-kernel UAF, not a VM escape, IOMMU bypass, or sandbox breakout.\nC:H - smi_work() recovers the freed ipmi_smi via from_work and reads its queues, flags, and handler pointers from reclaimed slab memory, yielding an arbitrary kernel read primitive per UAF guidance.\nI:H - smi_work() invokes intf-\u003ehandlers-\u003esender on the freed interface, so a heap-sprayed object can hijack that function pointer for arbitrary write and control-flow hijack.\nA:H - Running queued smi_work after kfree(intf) in intf_free() dereferences freed memory and readily oopses or panics the kernel."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-13T06:29:08.664Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/99692252b348c11377fd0cdd66b6b18f3b22758e"
        },
        {
          "url": "https://git.kernel.org/stable/c/a496c51dd3257ed7e00873af2ad9bb22c3ddc4cf"
        },
        {
          "url": "https://git.kernel.org/stable/c/ae84a2536577057e97f23f75a202e26d0e86cf01"
        }
      ],
      "title": "ipmi:msghandler: Cancel work cleanly on an error",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-81004",
    "datePublished": "2026-09-11T19:42:56.813Z",
    "dateReserved": "2026-08-26T14:34:25.812Z",
    "dateUpdated": "2026-09-13T06:29:08.664Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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FKIE_CVE-2026-81004

CVE-2026-81004 (GCVE-0-2026-81004)

Tags

Sightings

Nomenclature

Related by attack behaviour