{ "id": "CVE-2023-42753", "sourceIdentifier": "secalert@redhat.com", "published": "2023-09-25T21:15:15.923", "lastModified": "2024-11-21T08:23:06.080", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system." }, { "lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de indexaci\u00f3n de matrices en el subsistema netfilter del kernel de Linux. Una macro faltante podr\u00eda provocar un error de c\u00e1lculo del desplazamiento de la matriz `h->nets`, proporcionando a los atacantes la primitiva de incrementar/disminuir arbitrariamente un b\u00fafer de memoria fuera de l\u00edmites. Este problema puede permitir que un usuario local bloquee el sistema o potencialmente aumente sus privilegios en el sistema." } ], "metrics": { "cvssMetricV31": [ { "source": "secalert@redhat.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 }, { "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:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": 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