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{"acknowledgement": "Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Matt Riedemann (Huawei) as the original reporter.", "bugzilla": {"description": "openstack-nova: Nova FilterScheduler doubles resource allocations during rebuild with new image", "id": "1519231", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1519231"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-400", "details": ["An issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticated user may consume untracked resources on a hypervisor host leading to a denial of service, aka doubled resource allocations. This regression was introduced with the fix for OSSA-2017-005 (CVE-2017-16239); however, only Nova stable/pike or later deployments with that fix applied and relying on the default FilterScheduler are affected."], "name": "CVE-2017-17051", "package_state": [{"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:7", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:11", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat OpenStack Platform 11 (Ocata)"}, {"cpe": "cpe:/a:redhat:openstack:12", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat OpenStack Platform 12 (Pike)"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}, {"cpe": "cpe:/a:redhat:openstack:9", "fix_state": "Not affected", "package_name": "openstack-nova", "product_name": "Red Hat OpenStack Platform 9 (Mitaka)"}], "public_date": "2017-12-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-17051\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-17051"], "statement": "This vulnerability was caused by the fix for a prior vulnerability (CVE-2017-16239). No patches for the earlier vulnerability were released for Red Hat OpenStack before the discover of the new vulnerability. Therefore, current versions of Red Hat OpenStack are not affected by this vulnerability.", "threat_severity": "Moderate"}