{"id": "CVE-2021-3506", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 7.8, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2021-04-19T22:15:13.110", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/05/08/1", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1944298", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.netapp.com/advisory/ntap-20210611-0007/", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html", "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2021/03/28/2", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-125"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "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"}], "lastModified": "2023-11-07T03:38:03.463", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40362FFA-6C99-41DB-AC04-5B835E7DE052", "versionEndExcluding": "5.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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