{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47327", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "state": "PUBLISHED", "assignerShortName": "canonical", "dateReserved": "2026-05-19T10:37:36.433Z", "datePublished": "2026-05-28T18:27:20.987Z", "dateUpdated": "2026-05-28T19:25:26.930Z"}, "containers": {"cna": {"title": "NULL pointer dereference in Ubuntu Linux AppArmor notification handling", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL pointer dereference", "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 possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops."}], "references": [{"url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247fac", "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": "LOW", "baseSeverity": "LOW", "baseScore": 3.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}}], "credits": [{"lang": "en", "value": "Tristan Madani (@TristanInSec), Talence Security", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "providerMetadata": {"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2026-05-28T18:27:20.987Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-28T19:20:39.267467Z", "id": "CVE-2026-47327", "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": "2026-05-28T19:25:26.930Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-47327", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-28T19:20:39.267467Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T19:25:21.988Z"}}], "cna": {"title": "NULL pointer dereference in Ubuntu Linux AppArmor notification handling", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Tristan Madani (@TristanInSec), Talence Security"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"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"}, {"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"}], "packageName": "linux", "collectionURL": "https://launchpad.net/ubuntu/+source/", "defaultStatus": "unaffected"}], "references": [{"url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247fac", "tags": ["patch"]}], "descriptions": [{"lang": "en", "value": "Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL pointer dereference"}]}], "providerMetadata": {"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2026-05-28T18:27:20.987Z"}}}, "cveMetadata": {"cveId": "CVE-2026-47327", "state": "PUBLISHED", "dateUpdated": "2026-05-28T19:25:26.930Z", "dateReserved": "2026-05-19T10:37:36.433Z", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "datePublished": "2026-05-28T18:27:20.987Z", "assignerShortName": "canonical"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops."}], "id": "CVE-2026-47327", "lastModified": "2026-06-09T14:27:03.757", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "security@ubuntu.com", "type": "Secondary"}]}, "published": "2026-05-28T19:16:40.420", "references": [{"source": "security@ubuntu.com", "tags": ["Vendor Advisory"], "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=7f3c4902c39432ce7ea0d384cb70eba282247fac"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security@ubuntu.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.8.0,6.8.0-124.124)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.17.0,6.17.0-35.35)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.0-22.22)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Ubuntu Linux", "source": "cna", "vendor": "Canonical"}, "product": "ubuntu_linux", "vendor": "canonical"}], "created": "2026-05-28T21:00:17.183110+00:00", "updated": "2026-05-28T21:30:26.169654+00:00", "vendors": ["canonical", "canonical$PRODUCT$ubuntu_linux"]}