{"identifier":"CVE-2026-47326","cve":{"id":"CVE-2026-47326","description":"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.","published":"2026-05-28T19:16:40.110000+00:00","modified":"2026-10-26T13:10:00.140000+00:00","status":"Analyzed","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvss_version":"3.1","affected":[{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:24.04:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":""},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:25.10:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":""},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:26.04:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":""}],"weaknesses":["CWE-401"],"references":[{"url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=8d858ecb7e2e216ca2987302a04c266f2355fefe","source":"security@ubuntu.com","tags":["Patch"]}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"security@ubuntu.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-28T19:20:50.758806Z","id":"CVE-2026-47326","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:24.04:*:*:*:*:*:*:*","matchCriteriaId":"62D1BEC7-1A71-4991-A1A5-0E3D282100EC"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:25.10:*:*:*:*:*:*:*","matchCriteriaId":"68D562DD-F22D-4310-93C7-7DE817104CAC"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:26.04:*:*:*:*:*:*:*","matchCriteriaId":"2BB2642A-AA54-4949-A9FC-0E9673539350"}]}]}],"source":"nvd","retrieved_at":"2026-10-28T10:25:22.307808+00:00","exploited":false,"kev_stale":false,"products":["canonical / ubuntu linux"],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00093,"percentile":0.00547,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"git.launchpad.net","source_url":"https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=8d858ecb7e2e216ca2987302a04c266f2355fefe","investigate_url":"https://investigate.aeglixmind.com/#git.launchpad.net"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-47326","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-47326","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-47326","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}