Vulnerability-Lookup

CVE-2026-104114 (GCVE-0-2026-104114)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:22 – Updated: 2026-10-09 16:45

Title

NULL pointer dereference in illumos nwamd door handler allows local users to crash the daemon

Summary

A NULL pointer dereference in the illumos Network Auto-Magic daemon (nwamd) allows a local user to crash the daemon. nwamd_door_switch() in usr/src/cmd/cmd-inet/lib/nwamd/door_if.c writes to the caller's request structure before checking that a request was supplied, and before checking the caller's credentials. Because the nwamd door at /etc/svc/volatile/nwam/nwam_door is accessible to all local users, an unprivileged user can issue a door_call() with no argument data to crash nwamd; repeated calls place the svc:/network/physical:nwam service into maintenance, stopping automatic network configuration. nwamd runs only when svc:/network/physical:nwam is enabled, which is not the default. The flaw has existed since 2010 (illumos-gate commit 6ba597c5), and affects any illumos distribution prior to illumos-gate commit 0f1064d9.

Severity

5.4 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-09 16:15 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

illumos CNA under the redhat root

CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details

References

3 references

URL	Tags
https://illumos.topicbox.com/groups/developer/T3b…	mailing-list
https://illumos.org/issues/18495	issue-tracking
https://github.com/illumos/illumos-gate/commit/0f…	patch

Impacted products

2 products

Vendor	Product	Version	CPE status
illumos	illumos-gate	Affected: 6ba597c56d749c61b4f783157f63196d7b2445f0 , < 0f1064d97f1a43778ddf87d4e438b99872aed1a0 (git)	guessed
OmniOS	OmniOS	Affected: any , < r151054 (custom) Affected: r151058 , < r151058w (custom) Affected: r151056 , < r151056aw (custom) Affected: r151054 , < r151054bw (custom)	guessed

Credits

Robert French James Wynne III Andy Fiddaman

Show details on NVD website

JSON

To clipboard

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              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "LOCAL",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "exploitMaturity": "PROOF_OF_CONCEPT",
                "privilegesRequired": "LOW",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-476",
                  "description": "CWE-476 NULL Pointer Dereference",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-09T14:22:14.611Z",
            "orgId": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
            "shortName": "illumos"
          },
          "references": [
            {
              "tags": [
                "mailing-list"
              ],
              "url": "https://illumos.topicbox.com/groups/developer/T3b859664594b7762/cve-2026-104112-to-cve-2026-104117-denial-of-service-and-missing-authorization-in-door-servers"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://illumos.org/issues/18495"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/illumos/illumos-gate/commit/0f1064d97f1a43778ddf87d4e438b99872aed1a0"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Update your illumos distribution to one that includes the fix for this issue."
                }
              ],
              "value": "Update your illumos distribution to one that includes the fix for this issue."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "NULL pointer dereference in illumos nwamd door handler allows local users to crash the daemon",
          "workarounds": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Systems that use the default svc:/network/physical:default service instead of svc:/network/physical:nwam do not run nwamd and are not exposed."
                }
              ],
              "value": "Systems that use the default svc:/network/physical:default service instead of svc:/network/physical:nwam do not run nwamd and are not exposed."
            }
          ],
          "x_generator": {
            "engine": "hand-authored"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
        "assignerShortName": "illumos",
        "cveId": "CVE-2026-104114",
        "datePublished": "2026-10-09T14:22:14.611Z",
        "dateReserved": "2026-10-01T18:07:53.956Z",
        "dateUpdated": "2026-10-09T16:45:28.800Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-104114

Vulnerability from fkie_nvd - Published: 2026-10-09 15:17 - Updated: 2026-10-09 17:16

Severity

5.4 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

Summary

References

	URL	Tags
	0ca53633-f0b5-4853-ba72-e0a2e62000d0	https://github.com/illumos/illumos-gate/commit/0f1064d97f1a43778ddf87d4e438b99872aed1a0
	0ca53633-f0b5-4853-ba72-e0a2e62000d0	https://illumos.org/issues/18495
	0ca53633-f0b5-4853-ba72-e0a2e62000d0	https://illumos.topicbox.com/groups/developer/T3b859664594b7762/cve-2026-104112-to-cve-2026-104117-denial-of-service-and-missing-authorization-in-door-servers

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://illumos.org",
          "defaultStatus": "unaffected",
          "packageName": "SUNWcs",
          "platforms": [
            "x86"
          ],
          "product": "illumos-gate",
          "programFiles": [
            "usr/src/cmd/cmd-inet/lib/nwamd/door_if.c"
          ],
          "repo": "https://github.com/illumos/illumos-gate",
          "vendor": "illumos",
          "versions": [
            {
              "changes": [
                {
                  "at": "0f1064d97f1a43778ddf87d4e438b99872aed1a0",
                  "status": "unaffected"
                }
              ],
              "lessThan": "0f1064d97f1a43778ddf87d4e438b99872aed1a0",
              "status": "affected",
              "version": "6ba597c56d749c61b4f783157f63196d7b2445f0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "OmniOS",
          "vendor": "OmniOS",
          "versions": [
            {
              "lessThan": "r151054",
              "status": "affected",
              "version": "any",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "r151058w",
                  "status": "unaffected"
                }
              ],
              "lessThan": "r151058w",
              "status": "affected",
              "version": "r151058",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "r151056aw",
                  "status": "unaffected"
                }
              ],
              "lessThan": "r151056aw",
              "status": "affected",
              "version": "r151056",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "r151054bw",
                  "status": "unaffected"
                }
              ],
              "lessThan": "r151054bw",
              "status": "affected",
              "version": "r151054",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A NULL pointer dereference in the illumos Network Auto-Magic daemon (nwamd) allows a local user to crash the daemon. nwamd_door_switch() in usr/src/cmd/cmd-inet/lib/nwamd/door_if.c writes to the caller\u0027s request structure before checking that a request was supplied, and before checking the caller\u0027s credentials. Because the nwamd door at /etc/svc/volatile/nwam/nwam_door is accessible to all local users, an unprivileged user can issue a door_call() with no argument data to crash nwamd; repeated calls place the svc:/network/physical:nwam service into maintenance, stopping automatic network configuration. nwamd runs only when svc:/network/physical:nwam is enabled, which is not the default. The flaw has existed since 2010 (illumos-gate commit 6ba597c5), and affects any illumos distribution prior to illumos-gate commit 0f1064d9."
    }
  ],
  "id": "CVE-2026-104114",
  "lastModified": "2026-10-09T17:16:44.647",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-104114",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-09T16:15:16.599352Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-09T15:17:07.430",
  "references": [
    {
      "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
      "url": "https://github.com/illumos/illumos-gate/commit/0f1064d97f1a43778ddf87d4e438b99872aed1a0"
    },
    {
      "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
      "url": "https://illumos.org/issues/18495"
    },
    {
      "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
      "url": "https://illumos.topicbox.com/groups/developer/T3b859664594b7762/cve-2026-104112-to-cve-2026-104117-denial-of-service-and-missing-authorization-in-door-servers"
    }
  ],
  "sourceIdentifier": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "0ca53633-f0b5-4853-ba72-e0a2e62000d0",
      "type": "Secondary"
    }
  ]
}

GHSA-PC4C-24X9-97JQ

Vulnerability from github – Published: 2026-10-09 15:31 – Updated: 2026-10-09 15:31

Details

Severity

5.4 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-104114"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-09T15:17:07Z",
    "severity": "MODERATE"
  },
  "details": "A NULL pointer dereference in the illumos Network Auto-Magic daemon (nwamd) allows a local user to crash the daemon. nwamd_door_switch() in usr/src/cmd/cmd-inet/lib/nwamd/door_if.c writes to the caller\u0027s request structure before checking that a request was supplied, and before checking the caller\u0027s credentials. Because the nwamd door at /etc/svc/volatile/nwam/nwam_door is accessible to all local users, an unprivileged user can issue a door_call() with no argument data to crash nwamd; repeated calls place the svc:/network/physical:nwam service into maintenance, stopping automatic network configuration. nwamd runs only when svc:/network/physical:nwam is enabled, which is not the default. The flaw has existed since 2010 (illumos-gate commit 6ba597c5), and affects any illumos distribution prior to illumos-gate commit 0f1064d9.",
  "id": "GHSA-pc4c-24x9-97jq",
  "modified": "2026-10-09T15:31:32Z",
  "published": "2026-10-09T15:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104114"
    },
    {
      "type": "WEB",
      "url": "https://github.com/illumos/illumos-gate/commit/0f1064d97f1a43778ddf87d4e438b99872aed1a0"
    },
    {
      "type": "WEB",
      "url": "https://illumos.org/issues/18495"
    },
    {
      "type": "WEB",
      "url": "https://illumos.topicbox.com/groups/developer/T3b859664594b7762/cve-2026-104112-to-cve-2026-104117-denial-of-service-and-missing-authorization-in-door-servers"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
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CVE-2026-104114 (GCVE-0-2026-104114)

FKIE_CVE-2026-104114

GHSA-PC4C-24X9-97JQ

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