{"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":"2026-10-09T16:45:28.800Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T16:15:16.599352Z","id":"CVE-2026-104114","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-09T16:45:28.800Z"}}]}}