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The highest threat from this vulnerability is to system availability."},{"lang":"es","value":"Se encontró un fallo en la implementación de biovecs del kernel de Linux en versiones anteriores a 5.9-rc7. Una petición de biovec de longitud cero emitida por el subsistema de bloques podría causar que el Kernel entre en un bucle infinito, causando una denegación de servicio. Este fallo permite a un atacante local con privilegios básicos emitir peticiones a un dispositivo de bloqueo, resultando en una denegación de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:C","baseScore":4.9,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-835"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-835"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndIncluding":"5.8.13","matchCriteriaId":"CB3FD8E8-06B6-4E73-9337-49E751C7FD04"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:-:*:*:*:*:*:*","matchCriteriaId":"B2C150C3-165E-42D6-80D4-87B11340B08C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:*","matchCriteriaId":"21F51360-AF61-433B-9FD9-D7DE742FABF9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc2:*:*:*:*:*:*","matchCriteriaId":"AFF43A64-F1B2-49B5-9B1A-3C5287E30CC7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc3:*:*:*:*:*:*","matchCriteriaId":"7CD5DFA0-15FB-44C2-8C2F-DCABACB998B7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc4:*:*:*:*:*:*","matchCriteriaId":"DEA3DDD5-5114-44C0-8805-0A0579BB0034"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc5:*:*:*:*:*:*","matchCriteriaId":"573B49F4-C6E1-4032-B46F-70506FE98562"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.9.0:rc6:*:*:*:*:*:*","matchCriteriaId":"78F80706-7471-472D-B9A8-ABDB3C714B4B"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","matchCriteriaId":"B620311B-34A3-48A6-82DF-6F078D7A4493"},{"vulnerable":true,"criteria":"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*","matchCriteriaId":"B009C22E-30A4-4288-BCF6-C3E81DEAF45A"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","matchCriteriaId":"902B8056-9E37-443B-8905-8AA93E2447FB"}]}]}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html","source":"secalert@redhat.com","tags":["Mailing 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