{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-5215", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A flaw was found in libnbd. A server can reply with a block size larger than 2^63 (the NBD spec states the size is a 64-bit unsigned value). This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbd_get_size() function correctly." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Improper Handling of Unexpected Data Type", "cweId": "CWE-241" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Red Hat", "product": { "product_data": [ { "product_name": "Red Hat Enterprise Linux 9", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:1.18.1-3.el9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://access.redhat.com/errata/RHSA-2024:2204", "refsource": "MISC", "name": "https://access.redhat.com/errata/RHSA-2024:2204" }, { "url": "https://access.redhat.com/security/cve/CVE-2023-5215", "refsource": "MISC", "name": "https://access.redhat.com/security/cve/CVE-2023-5215" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241041", "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2241041" }, { "url": "https://listman.redhat.com/archives/libguestfs/2023-September/032635.html", "refsource": "MISC", "name": "https://listman.redhat.com/archives/libguestfs/2023-September/032635.html" } ] }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } ] } }