{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104114", "assignerOrgId": "0ca53633-f0b5-4853-ba72-e0a2e62000d0", "state": "PUBLISHED", "assignerShortName": "illumos", "dateReserved": "2026-10-01T18:07:53.956Z", "datePublished": "2026-10-09T14:22:14.611Z", "dateUpdated": "2026-10-09T14:22:14.611Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "0ca53633-f0b5-4853-ba72-e0a2e62000d0", "shortName": "illumos", "dateUpdated": "2026-10-09T14:22:14.611Z"}, "title": "NULL pointer dereference in illumos nwamd door handler allows local users to crash the daemon", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "type": "CWE"}]}], "affected": [{"vendor": "illumos", "product": "illumos-gate", "platforms": ["x86"], "collectionURL": "https://illumos.org", "packageName": "SUNWcs", "repo": "https://github.com/illumos/illumos-gate", "programFiles": ["usr/src/cmd/cmd-inet/lib/nwamd/door_if.c"], "versions": [{"status": "affected", "version": "6ba597c56d749c61b4f783157f63196d7b2445f0", "lessThan": "0f1064d97f1a43778ddf87d4e438b99872aed1a0", "changes": [{"at": "0f1064d97f1a43778ddf87d4e438b99872aed1a0", "status": "unaffected"}], "versionType": "git"}], "defaultStatus": "unaffected"}, {"vendor": "OmniOS", "product": "OmniOS", "versions": [{"status": "affected", "version": "any", "lessThan": "r151054", "versionType": "custom"}, {"status": "affected", "version": "r151058", "lessThan": "r151058w", "changes": [{"at": "r151058w", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "r151056", "lessThan": "r151056aw", "changes": [{"at": "r151056aw", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "r151054", "lessThan": "r151054bw", "changes": [{"at": "r151054bw", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "affected"}], "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'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.", "supportingMedia": [{"type": "text/html", "base64": false, "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'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."}]}], "references": [{"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": ["mailing-list"]}, {"url": "https://illumos.org/issues/18495", "tags": ["issue-tracking"]}, {"url": "https://github.com/illumos/illumos-gate/commit/0f1064d97f1a43778ddf87d4e438b99872aed1a0", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.4, "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"}}], "workarounds": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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."}]}], "solutions": [{"lang": "en", "value": "Update your illumos distribution to one that includes the fix for this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update your illumos distribution to one that includes the fix for this issue."}]}], "credits": [{"lang": "en", "value": "Robert French", "type": "finder"}, {"lang": "en", "value": "James Wynne III", "type": "finder"}, {"lang": "en", "value": "Andy Fiddaman", "type": "remediation developer"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "hand-authored"}}}}

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