{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-03-27T00:00:00", "descriptions": [{"lang": "en", "value": "The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-12-06T15:57:01", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "RHSA-2011:0919", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2011-0919.html"}, {"name": "45170", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kvm_group:qemu-kvm:*:*:*:*:*:*:*:*", "matchCriteriaId": "A32F37FD-F3EC-44B6-B428-5E7F5E79A095", "versionEndIncluding": "0.14.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:kvm_group:qemu-kvm:0.12:*:*:*:*:*:*:*", "matchCriteriaId": "A7E67322-2B2B-450B-B16F-67673557F8E1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison."}, {"lang": "es", "value": "virtio_queue_notify en qemu-kvm v0.14.0 y anteriores no valida correctamente el n\u00famero virtqueue, lo que permite que los usuarios invitados puedan causar una denegaci\u00f3n de servicio y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un n\u00famero negativo en el campo 'Queue Notify' de la cabecera Virtio, lo cual se salta una comparaci\u00f3n de signo."}], "id": "CVE-2011-2512", "lastModified": "2024-11-21T01:28:26.197", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-06-21T15:55:09.740", "references": [{"source": "secalert@redhat.com", "url": 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"af854a3a-2127-422b-91ae-364da2661108", "url": "https://hermes.opensuse.org/messages/9605323"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2011/dsa-2270"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:0919", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "qemu-kvm-2:0.12.1.2-2.160.el6_1.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-07-05T00:00:00Z"}], "bugzilla": {"description": "qemu-kvm: OOB memory access caused by negative vq notifies", "id": "717399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=717399"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:C/I:C/A:C", "status": "verified"}, "details": ["The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison."], "name": "CVE-2011-2512", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2512\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2512"], "statement": "This issue only affects Red Hat Enterprise Linux 6. The version of the qemu/kvm\nas shipped with Red Hat Enterprise Linux 5 is not affected.", "threat_severity": "Important"}