CVE-2021-4203

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In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information."}, {"lang": "es", "value": "Se ha encontrado un fallo de lectura de uso de memoria previamente liberada en la funci\u00f3n sock_getsockopt() en el archivo net/core/sock.c debido a la carrera de SO_PEERCRED y SO_PEERGROUPS con listen() (y connect()) en el kernel de Linux. En este fallo, un atacante con privilegios de usuario puede bloquear el sistema o filtrar informaci\u00f3n interna del kernel"}], "lastModified": "2024-11-21T06:37:08.430", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "037A6DFB-B41D-4CC7-86C1-A201809B79C4", "versionEndExcluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40D9C0D1-0F32-4A2B-9840-1072F5497540"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71"}], "operator": 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