CVE-2022-37394

{"id": "CVE-2022-37394", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "published": "2022-08-03T07:15:07.757", "references": [{"url": "https://bugs.launchpad.net/ossa/+bug/1981813", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://review.opendev.org/c/openstack/nova/+/849985", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://review.opendev.org/c/openstack/nova/+/850003", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnic_type, creating an instance bound to that port, and then changing the vnic_type of the bound port to macvtap, an authenticated user may cause the compute service to fail to restart, resulting in a possible denial of service. Only Nova deployments configured with SR-IOV are affected."}, {"lang": "es", "value": "Se ha detectado un problema en OpenStack Nova versiones anteriores a 23.2.2, 24.x anteriores a 24.1.2 y 25.x anteriores a 25.0.2. Al crear un puerto de neutrones con el vnic_type directo, crear una instancia vinculada a ese puerto y luego cambiar el vnic_type del puerto vinculado a macvtap, un usuario autenticado puede causar que el servicio de computaci\u00f3n no sea reiniciado, resultando en una posible denegaci\u00f3n de servicio. S\u00f3lo est\u00e1n afectadas las implantaciones de Nova configuradas con SR-IOV"}], "lastModified": "2022-08-10T15:15:57.323", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C3E7C95-0C37-49D2-9FEC-ADC348D86275", "versionEndExcluding": "23.2.2"}, {"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDEDE391-A318-42E9-BE11-7E4CE993D9C6", "versionEndExcluding": "24.1.2", "versionStartIncluding": "24.0.0"}, {"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF944840-5CF2-45C9-8F09-E2003B4E378F", "versionEndExcluding": "25.0.2", "versionStartIncluding": "25.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}