Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-5215", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-09-26T21:54:47.184Z", "datePublished": "2023-09-28T13:55:32.462Z", "dateUpdated": "2025-03-15T08:03:39.915Z"}, "containers": {"cna": {"title": "Libnbd: crash or misbehaviour when nbd server returns an unexpected block size", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"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"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "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."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libnbd", "defaultStatus": "affected", "versions": [{"version": "0:1.18.1-3.el9", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt:rhel/libnbd", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt:av/libnbd", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt-devel:av/libnbd", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:2204", "name": "RHSA-2024:2204", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-5215", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241041", "name": "RHBZ#2241041", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://listman.redhat.com/archives/libguestfs/2023-September/032635.html"}], "datePublic": "2023-09-21T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-241", "description": "Improper Handling of Unexpected Data Type", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-241: Improper Handling of Unexpected Data Type", "timeline": [{"lang": "en", "time": "2023-09-21T00:00:00+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2023-09-21T00:00:00+00:00", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-03-15T08:03:39.915Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:52:07.789Z"}, "title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:2204", "name": "RHSA-2024:2204", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-5215", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241041", "name": "RHBZ#2241041", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://listman.redhat.com/archives/libguestfs/2023-September/032635.html", "tags": ["x_transferred"]}]}]}}