{"id":"PYSEC-2012-40","details":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","modified":"2025-10-09T05:20:17.429102Z","published":"2012-07-17T21:55:00Z","withdrawn":"2024-11-22T04:37:04Z","references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2012/07/11/13"},{"type":"EVIDENCE","url":"https://bugs.launchpad.net/nova/+bug/1017795"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1501-1"},{"type":"FIX","url":"https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d"},{"type":"WEB","url":"https://lists.launchpad.net/openstack/msg14452.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/54388"}],"affected":[{"package":{"name":"nova","ecosystem":"PyPI","purl":"pkg:pypi/nova"},"ranges":[{"type":"GIT","repo":"https://github.com/openstack/nova","events":[{"introduced":"0"},{"fixed":"034762e8060dcf0a11cb039b9d426b0d0bb1801d"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["15.1.5","16.1.6","16.1.7","16.1.8","17.0.10","17.0.11","17.0.12","17.0.13","17.0.7","17.0.8","17.0.9","18.0.2","18.0.3","18.1.0","18.2.0","18.2.1","18.2.2","18.2.3","18.3.0","19.0.0","19.0.0.0rc1","19.0.0.0rc2","19.0.1","19.0.2","19.0.3","19.1.0","19.2.0","19.3.0","19.3.1","19.3.2","20.0.0","20.0.0.0rc1","20.0.0.0rc2","20.0.1","20.1.0","20.1.1","20.2.0","20.3.0","20.4.0","20.4.1","20.5.0","20.6.0","20.6.1","21.0.0","21.0.0.0rc1","21.0.0.0rc2","21.1.0","21.1.1","21.1.2","21.2.0","21.2.1","21.2.2","21.2.3","21.2.4","22.0.0","22.0.0.0rc1","22.0.1","22.1.0","22.2.0","22.2.1","22.2.2","22.3.0","22.4.0","23.0.0","23.0.0.0rc1","23.0.0.0rc2","23.0.1","23.0.2","23.1.0","23.2.0","23.2.1","23.2.2","24.0.0","24.0.0.0rc1","24.0.0.0rc2","24.1.0","24.1.1","24.2.0","24.2.1","25.0.0","25.0.0.0rc1","25.0.1","25.1.0","25.1.1","25.2.0","25.2.1","25.3.0","26.0.0","26.0.0.0rc1","26.0.0.0rc2","26.1.0","26.1.1","26.2.0","26.2.1","26.2.2","26.3.0","27.0.0","27.0.0.0rc1","27.1.0","27.2.0","27.3.0","27.4.0","27.5.0","27.5.1","28.0.0","28.0.0.0rc1","28.0.1","28.1.0","28.2.0","28.3.0","29.0.0","29.0.0.0rc1","29.0.1","29.0.2","29.1.0","29.2.0","30.0.0","30.0.0.0rc1","28.3.1","29.2.1","29.2.2","29.3.0","30.1.0","31.0.0","31.0.0.0rc1","31.0.1","31.1.0","32.0.0","32.0.0.0rc1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/nova/PYSEC-2012-40.yaml"}}],"schema_version":"1.7.3"}