{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47326","assignerOrgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","state":"PUBLISHED","assignerShortName":"canonical","dateReserved":"2026-05-19T10:37:36.433Z","datePublished":"2026-05-28T18:26:58.224Z","dateUpdated":"2026-05-28T19:25:40.402Z"},"containers":{"cna":{"title":"Memory leak in Ubuntu Linux AppArmor large notification response allocation","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-401","description":"CWE-401 Missing release of memory after effective lifetime","type":"CWE"}]}],"affected":[{"vendor":"Canonical","product":"Ubuntu Linux","collectionURL":"https://launchpad.net/ubuntu/+source/","packageName":"linux","repo":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/","modules":["AppArmor"],"versions":[{"status":"affected","version":"6.8.0","lessThan":"6.8.0-124.124","versionType":"dpkg"},{"status":"affected","version":"6.17.0","lessThan":"6.17.0-35.35","versionType":"dpkg"},{"status":"affected","version":"7.0.0","lessThan":"7.0.0-22.22","versionType":"dpkg"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion."}],"references":[{"url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=8d858ecb7e2e216ca2987302a04c266f2355fefe","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":5.5,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}],"credits":[{"lang":"en","value":"Tristan Madani (@TristanInSec), Talence Security","type":"finder"}],"source":{"discovery":"EXTERNAL"},"providerMetadata":{"orgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","shortName":"canonical","dateUpdated":"2026-05-28T18:26:58.224Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T19:20:50.758806Z","id":"CVE-2026-47326","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":"2026-05-28T19:25:40.402Z"}}]}}