{"id":"UBUNTU-CVE-2022-2447","details":"A flaw was found in Keystone. There is a time lag (up to one hour in a default configuration) between when security policy says a token should be revoked from when it is actually revoked. This could allow a remote administrator to secretly maintain access for longer than expected.","modified":"2026-02-12T06:21:21.579253Z","published":"2022-09-01T21:15:00Z","related":["USN-7926-1"],"upstream":["CVE-2022-2447"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2447"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-2447"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7926-1"}],"affected":[{"package":{"name":"keystone","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/keystone@2:9.3.0-0ubuntu3.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:8.0.0-0ubuntu1","2:9.0.0~b1-0ubuntu1","2:9.0.0~b2-0ubuntu1","2:9.0.0~b3-0ubuntu1","2:9.0.0~rc1-0ubuntu1","2:9.0.0-0ubuntu1","2:9.0.2-0ubuntu1","2:9.0.2-0ubuntu2","2:9.1.0-0ubuntu1","2:9.2.0-0ubuntu1","2:9.3.0-0ubuntu1","2:9.3.0-0ubuntu2","2:9.3.0-0ubuntu3","2:9.3.0-0ubuntu3.1","2:9.3.0-0ubuntu3.2"],"ecosystem_specific":{"priority_reason":"Upstream keystone developers have rated this to be a low severity issue","binaries":[{"binary_name":"keystone","binary_version":"2:9.3.0-0ubuntu3.2"},{"binary_name":"python-keystone","binary_version":"2:9.3.0-0ubuntu3.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2447.json"}},{"package":{"name":"keystone","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/keystone@2:13.0.4-0ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:12.0.0-0ubuntu1","2:13.0.0~b1-0ubuntu1","2:13.0.0~b2-0ubuntu1","2:13.0.0~b3-0ubuntu1","2:13.0.0~rc1-0ubuntu1","2:13.0.0~rc2-0ubuntu1","2:13.0.0-0ubuntu1","2:13.0.1-0ubuntu1","2:13.0.2-0ubuntu1","2:13.0.2-0ubuntu3","2:13.0.4-0ubuntu1"],"ecosystem_specific":{"priority_reason":"Upstream keystone developers have rated this to be a low severity issue","binaries":[{"binary_name":"keystone","binary_version":"2:13.0.4-0ubuntu1"},{"binary_name":"python-keystone","binary_version":"2:13.0.4-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2447.json"}},{"package":{"name":"keystone","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/keystone@2:17.0.1-0ubuntu2+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:16.0.0-0ubuntu1","2:17.0.0~b1~git2019121613.db81fee63-0ubuntu1","2:17.0.0~b2~git2020020513.99733f172-0ubuntu1","2:17.0.0~b3~git2020032415.9f9040257-0ubuntu1","2:17.0.0~b3~git2020032415.9f9040257-0ubuntu2","2:17.0.0~b3~git2020041013.7bb6314e4-0ubuntu1","2:17.0.0-0ubuntu0.20.04.1","2:17.0.1-0ubuntu1","2:17.0.1-0ubuntu2","2:17.0.1-0ubuntu2+esm1"],"ecosystem_specific":{"priority_reason":"Upstream keystone developers have rated this to be a low severity issue","binaries":[{"binary_name":"keystone","binary_version":"2:17.0.1-0ubuntu2+esm1"},{"binary_name":"keystone-common","binary_version":"2:17.0.1-0ubuntu2+esm1"},{"binary_name":"python3-keystone","binary_version":"2:17.0.1-0ubuntu2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2447.json"}},{"package":{"name":"keystone","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/keystone@2:21.0.1-0ubuntu2.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:21.0.1-0ubuntu2.1"}]}],"versions":["2:20.0.0-0ubuntu1","2:20.0.0+git2021120815.2ddf8f321-0ubuntu1","2:20.0.0+git2022011217.771c943ad-0ubuntu1","2:20.0.0+git2022030313.a3fc9e7c3-0ubuntu1","2:21.0.0-0ubuntu1","2:21.0.1-0ubuntu1","2:21.0.1-0ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","priority_reason":"Upstream keystone developers have rated this to be a low severity issue","binaries":[{"binary_name":"keystone","binary_version":"2:21.0.1-0ubuntu2.1"},{"binary_name":"keystone-common","binary_version":"2:21.0.1-0ubuntu2.1"},{"binary_name":"python3-keystone","binary_version":"2:21.0.1-0ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2447.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}