CVE-2020-27825

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There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo de uso de la memoria previamente liberada en el archivo kernel/trace/ring_buffer.c en el kernel de Linux (anteriores a la versi\u00f3n 5.10-rc1). Se present\u00f3 un problema de carrera en trace_open y el cambio de tama\u00f1o del b\u00fafer de la CPU ejecut\u00e1ndose paralelamente en diferentes CPUs, puede causar un problema de Denegaci\u00f3n de Servicio (DOS). Este fallo podr\u00eda inclusive permitir a un atacante local con privilegios especiales de usuario amenazar con una filtraci\u00f3n de informaci\u00f3n del kernel"}], "lastModified": "2023-11-07T03:21:02.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:5.10:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DD7EB1D-064C-4DB9-AD34-D8EF78312C17"}], "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_mrg:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C60FA8B1-1802-4522-A088-22171DCF7A93"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB9B8171-F6CA-427D-81E0-6536D3BBFA8D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "090AA6F4-4404-4E26-82AB-C3A22636F276"}], "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"}