{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2023-6040", "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "state": "PUBLISHED", "assignerShortName": "canonical", "dateReserved": "2023-11-08T20:12:50.288Z", "datePublished": "2024-01-12T01:37:45.387Z", "dateUpdated": "2024-01-12T01:37:45.387Z"}, "containers": {"cna": {"affected": [{"packageName": "linux", "product": "linux", "vendor": "The Linux Kernel Organization", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git", "platforms": ["Linux"], "versions": [{"lessThan": "5.18-rc1", "status": "affected", "version": "0", "versionType": "semver"}]}], "title": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family)", "descriptions": [{"lang": "en", "value": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access."}], "workarounds": [{"lang": "en", "value": "Disabling unprivileged user namespaces mitigates the issue."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125", "lang": "en", "type": "CWE"}]}], "references": [{"tags": ["issue-tracking"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040"}, {"tags": ["mailing-list"], "url": "https://www.openwall.com/lists/oss-security/2024/01/12/1"}, {"url": "http://www.openwall.com/lists/oss-security/2024/01/12/1"}, {"url": "http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "credits": [{"lang": "en", "type": "finder", "value": "Lin Ma from Ant Security Light-Year Lab & ZJU"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "providerMetadata": {"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc", "shortName": "canonical", "dateUpdated": "2024-01-12T01:37:45.387Z"}}}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C75006C6-1F2B-445B-A5DE-64343A1B0A48", "versionEndIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access."}, {"lang": "es", "value": "Se inform\u00f3 y solucion\u00f3 una vulnerabilidad de acceso fuera de los l\u00edmites que involucraba a netfilter como: f1082dd31fe4 (netfilter: nf_tables: Rechazar tablas de familia no admitida); Al crear una nueva tabla netfilter, la falta de protecci\u00f3n contra valores no v\u00e1lidos de la familia nf_tables (pf) dentro de la funci\u00f3n `nf_tables_newtable` permite a un atacante lograr un acceso fuera de los l\u00edmites."}], "id": "CVE-2023-6040", "lastModified": "2024-06-27T13:15:54.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security@ubuntu.com", "type": "Secondary"}]}, "published": "2024-01-12T02:15:44.683", "references": [{"source": "security@ubuntu.com", "url": "http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/01/12/1"}, {"source": "security@ubuntu.com", "tags": ["Third Party Advisory"], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040"}, {"source": "security@ubuntu.com", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"}, {"source": "security@ubuntu.com", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}, {"source": "security@ubuntu.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2024/01/12/1"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "security@ubuntu.com", "type": "Secondary"}]}

{}