CVE-2021-3739

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This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability."}, {"lang": "es", "value": "Se ha encontrado un fallo de desreferencia de puntero NULL en la funci\u00f3n btrfs_rm_device en el archivo fs/btrfs/volumes.c en el Kernel de Linux, donde el desencadenamiento del bug requiere \"CAP_SYS_ADMIN\". Este fallo permite a un atacante local bloquear el sistema o filtrar informaci\u00f3n interna del kernel. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"}], "lastModified": "2024-11-21T06:22:18.080", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BBD585C2-3F95-4E2A-BD16-33C3A6211557", "versionEndIncluding": "5.14.20"}], "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:netapp:h300s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CDDF61B7-EC5C-467C-B710-B89F502CD04F"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "secalert@redhat.com"}