CVE-2023-34323

{"id": "CVE-2023-34323", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-01-05T17:15:08.493", "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-440.html", "tags": ["Patch", "Vendor Advisory"], "source": "[email protected]"}, {"url": "http://xenbits.xen.org/xsa/advisory-440.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://xenbits.xenproject.org/xsa/advisory-440.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "When a transaction is committed, C Xenstored will first check\nthe quota is correct before attempting to commit any nodes. It would\nbe possible that accounting is temporarily negative if a node has\nbeen removed outside of the transaction.\n\nUnfortunately, some versions of C Xenstored are assuming that the\nquota cannot be negative and are using assert() to confirm it. This\nwill lead to C Xenstored crash when tools are built without -DNDEBUG\n(this is the default).\n"}, {"lang": "es", "value": "Cuando se confirma una transacci\u00f3n, C Xenstored primero verificar\u00e1 que la cuota sea correcta antes de intentar confirmar cualquier nodo. Ser\u00eda posible que la contabilidad fuera temporalmente negativa si se hubiera eliminado un nodo fuera de la transacci\u00f3n. Desafortunadamente, algunas versiones de C Xenstored asumen que la cuota no puede ser negativa y utilizan assert() para confirmarlo. Esto provocar\u00e1 un bloqueo de C Xenstored cuando las herramientas se creen sin -DNDEBUG (este es el valor predeterminado). "}], "lastModified": "2025-11-04T20:16:30.553", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B65D9EE-AB21-4DF4-A578-679B6357308F", "versionEndExcluding": "4.17.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}