CVE-2023-42753

{"id": "CVE-2023-42753", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2023-09-25T21:15:15.923", "references": [{"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7370", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7379", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7382", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7389", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7411", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7418", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7539", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7558", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0089", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0113", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0134", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0340", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0346", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0347", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0371", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0376", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0378", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0402", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0403", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0412", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0461", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0562", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0563", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0593", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:0999", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2023-42753", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239843", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html", "source": "secalert@redhat.com"}, {"url": "https://seclists.org/oss-sec/2023/q3/216", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2023/09/22/10", "tags": ["Exploit", "Mailing List"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "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."}], "lastModified": "2024-02-27T21:15:46.810", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D42A7C6-CE38-4D73-B7AC-615F6D53F783", "versionEndExcluding": "6.6"}], "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_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}