{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-08-03T06:43:44", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugs.launchpad.net/ossa/+bug/1981813"}, {"tags": ["x_refsource_MISC"], "url": "https://review.opendev.org/c/openstack/nova/+/849985"}, {"tags": ["x_refsource_MISC"], "url": "https://review.opendev.org/c/openstack/nova/+/850003"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-37394", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://bugs.launchpad.net/ossa/+bug/1981813", "refsource": "MISC", "url": "https://bugs.launchpad.net/ossa/+bug/1981813"}, {"name": "https://review.opendev.org/c/openstack/nova/+/849985", "refsource": "MISC", "url": "https://review.opendev.org/c/openstack/nova/+/849985"}, {"name": "https://review.opendev.org/c/openstack/nova/+/850003", "refsource": "MISC", "url": "https://review.opendev.org/c/openstack/nova/+/850003"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-37394", "datePublished": "2022-08-03T06:43:44", "dateReserved": "2022-08-03T00:00:00", "dateUpdated": "2022-08-03T06:43:44", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "matchCriteriaId": "3C3E7C95-0C37-49D2-9FEC-ADC348D86275", "versionEndExcluding": "23.2.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "matchCriteriaId": "DDEDE391-A318-42E9-BE11-7E4CE993D9C6", "versionEndExcluding": "24.1.2", "versionStartIncluding": "24.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF944840-5CF2-45C9-8F09-E2003B4E378F", "versionEndExcluding": "25.0.2", "versionStartIncluding": "25.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}], "id": "CVE-2022-37394", "lastModified": "2022-08-10T15:15:57.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-03T07:15:07.757", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugs.launchpad.net/ossa/+bug/1981813"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://review.opendev.org/c/openstack/nova/+/849985"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://review.opendev.org/c/openstack/nova/+/850003"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}