CVE-2022-4129

{"id": "CVE-2022-4129", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2022-11-28T22:15:11.180", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html", "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7X5SPXMXXFANDASPCKER2JIQO2F3UHCP/", "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AM5KFIE6JNZXHBA5A2KYDZAT3MEX2B67/", "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOKXNIM2R4FQCDRQV67UMAY6EBC72QFG/", "source": "secalert@redhat.com"}, {"url": "https://lore.kernel.org/all/20221114191619.124659-1-jakub%40cloudflare.com/t", "source": "secalert@redhat.com"}, {"url": "https://lore.kernel.org/netdev/20221121085426.21315-1-jakub%40cloudflare.com/t", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en Layer 2 Tunneling Protocol (L2TP) del kernel de Linux. Un bloqueo faltante al borrar sk_user_data puede provocar una condici\u00f3n de ejecuci\u00f3n y una desreferencia del puntero NULL. Un usuario local podr\u00eda utilizar esta falla para bloquear potencialmente el sistema y provocar una Denegaci\u00f3n de Servicio (DoS)."}], "lastModified": "2023-11-07T03:57:00.397", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linux:layer_2_tunneling_protocol:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC66FA90-5670-4CBA-A72E-CF74560B5A98", "versionEndExcluding": "6.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}