{ "id": "CVE-2021-3506", "sourceIdentifier": "secalert@redhat.com", "published": "2021-04-19T22:15:13.110", "lastModified": "2022-01-21T14:43:07.087", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de acceso a la memoria fuera de l\u00edmites (OOB) en el archivo fs/f2fs/node.c en el m\u00f3dulo f2fs en el kernel de Linux en versiones anteriores a 5.12.0-rc4. Un fallo en la comprobaci\u00f3n de l\u00edmites permite a un atacante local conseguir acceso a la memoria fuera de l\u00edmites, conllevando a un bloqueo del sistema o una fuga de informaci\u00f3n interna del kernel. 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:H/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.1, 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"source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1944298", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20210611-0007/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2520013.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://www.openwall.com/lists/oss-security/2021/03/28/2", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] } ] }