CVE-2011-2512

{"id": "CVE-2011-2512", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-06-21T15:55:09.740", "references": [{"url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=7157e2e23e89adcd436caeab31fdd6b47eded377", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html", "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0919.html", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44458", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44648", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/45158", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/45170", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/45301", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://ubuntu.com/usn/usn-1165-1", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2011/06/28/13", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2011/06/29/15", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://www.osvdb.org/74751", "source": "secalert@redhat.com"}, {"url": "https://hermes.opensuse.org/messages/9605323", "source": "secalert@redhat.com"}, {"url": "https://www.debian.org/security/2011/dsa-2270", "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=7157e2e23e89adcd436caeab31fdd6b47eded377", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0919.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/44458", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/44648", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/45158", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/45170", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/45301", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://ubuntu.com/usn/usn-1165-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2011/06/28/13", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2011/06/29/15", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.osvdb.org/74751", "source": "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", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "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."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kvm_group:qemu-kvm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A32F37FD-F3EC-44B6-B428-5E7F5E79A095", "versionEndIncluding": "0.14.0"}, {"criteria": "cpe:2.3:a:kvm_group:qemu-kvm:0.12:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7E67322-2B2B-450B-B16F-67673557F8E1"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}