{ "id": "CVE-2021-3546", "sourceIdentifier": "secalert@redhat.com", "published": "2021-06-02T14:15:11.120", "lastModified": "2022-10-25T20:27:43.230", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process." }, { "lang": "es", "value": "Se ha encontrado una vulnerabilidad de escritura fuera de l\u00edmites en el dispositivo GPU virtio vhost-user (vhost-user-gpu) de QEMU en las versiones hasta la 6.0 inclusive. El fallo se produce al procesar el comando 'VIRTIO_GPU_CMD_GET_CAPSET' del hu\u00e9sped. Podr\u00eda permitir a un usuario invitado con privilegios colapsar el proceso de QEMU en el host, lo que resulta en una condici\u00f3n de denegaci\u00f3n de servicio, o una potencial ejecuci\u00f3n de c\u00f3digo con los privilegios del proceso de QEMU" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.5, "impactScore": 6.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 4.6 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "versionEndIncluding": "6.0.0", "matchCriteriaId": "B002BA5C-F99C-460E-A53C-F61A813DD689" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2021/05/31/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1958978", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202208-27", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20210720-0008/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2021/dsa-4980", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }