CVE-2026-47331

{"id": "CVE-2026-47331", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47331", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-28T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@ubuntu.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security@ubuntu.com", "affectedData": [{"repo": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/", "vendor": "Canonical", "modules": ["AppArmor"], "product": "Ubuntu Linux", "versions": [{"status": "affected", "version": "6.8.0", "lessThan": "6.8.0-124.124", "versionType": "dpkg"}], "packageName": "linux", "collectionURL": "https://launchpad.net/ubuntu/+source/", "defaultStatus": "unaffected"}]}], "published": "2026-05-28T19:16:41.757", "references": [{"url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=5e5cd4759b63363373faf1ce15d1cab3606d6ec8", "tags": ["Patch"], "source": "security@ubuntu.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution."}], "lastModified": "2026-06-17T10:54:31.357", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:24.04:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62D1BEC7-1A71-4991-A1A5-0E3D282100EC"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:25.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "68D562DD-F22D-4310-93C7-7DE817104CAC"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:26.04:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BB2642A-AA54-4949-A9FC-0E9673539350"}], "operator": "OR"}]}], "sourceIdentifier": "security@ubuntu.com"}