CVE-2021-3659

{"id": "CVE-2021-3659", "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": "2022-08-22T15:15:13.690", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2021-3659", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1975949", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8", "tags": ["Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-252"}]}], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference flaw was found in the Linux kernel\u2019s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability."}, {"lang": "es", "value": "Se ha encontrado un fallo de desreferencia de puntero NULL en el subsistema de red inal\u00e1mbrica IEEE versi\u00f3n 802.15.4 del kernel de Linux en la forma en que el usuario cierra la conexi\u00f3n LR-WPAN. Este fallo permite a un usuario local bloquear el sistema. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."}], "lastModified": "2023-11-07T03:38:11.547", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40362FFA-6C99-41DB-AC04-5B835E7DE052", "versionEndExcluding": "5.12"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87C21FE1-EA5C-498F-9C6C-D05F91A88217"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9EF5C4AC-CA69-41E3-AD93-7AC21931374A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5487EF77-D23A-4CC0-851C-E330B4485D8A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "782C86CD-1B68-410A-A096-E5170AD24DA2"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D5DE3C5-B090-4CE7-9AF2-DEB379D7D5FC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CCE99A08-D6F7-4937-8154-65062BC88009"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76C24D94-834A-4E9D-8F73-624AFA99AAA2"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0DFE17EF-9FAB-4C79-A778-22923413C015"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1272DF03-7674-4BD4-8E64-94004B195448"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6C3741B8-851F-475D-B428-523F4F722350"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "47811209-5CE5-4375-8391-B0A7F6A0E420"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "729C515E-1DD3-466D-A50B-AFE058FFC94A"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1CD81C46-328B-412D-AF4E-68A2AD2F1A73"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB28F9AF-3D06-4532-B397-96D7E4792503"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "secalert@redhat.com"}