{"id":"UBUNTU-CVE-2021-3979","details":"A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.","modified":"2026-04-22T14:55:56.522724Z","published":"2022-08-25T20:15:00Z","related":["USN-6063-1"],"upstream":["CVE-2021-3979"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3979"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2022/01/11/5"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2022/01/12/5"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6063-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3979"}],"affected":[{"package":{"name":"ceph","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ceph@12.2.13-0ubuntu0.18.04.11?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.2.13-0ubuntu0.18.04.11"}]}],"versions":["12.2.0-0ubuntu1","12.2.1-0ubuntu1","12.2.2-0ubuntu1","12.2.2-0ubuntu2","12.2.4-0ubuntu1","12.2.4-0ubuntu1.1","12.2.7-0ubuntu0.18.04.1","12.2.8-0ubuntu0.18.04.1","12.2.8-0ubuntu0.18.04.2","12.2.11-0ubuntu0.18.04.1","12.2.11-0ubuntu0.18.04.2","12.2.12-0ubuntu0.18.04.1","12.2.12-0ubuntu0.18.04.2","12.2.12-0ubuntu0.18.04.3","12.2.12-0ubuntu0.18.04.4","12.2.12-0ubuntu0.18.04.5","12.2.13-0ubuntu0.18.04.2","12.2.13-0ubuntu0.18.04.3","12.2.13-0ubuntu0.18.04.4","12.2.13-0ubuntu0.18.04.5","12.2.13-0ubuntu0.18.04.6","12.2.13-0ubuntu0.18.04.7","12.2.13-0ubuntu0.18.04.8","12.2.13-0ubuntu0.18.04.10"],"ecosystem_specific":{"binaries":[{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-base"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-common"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-fuse"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-mds"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-mgr"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-mon"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-osd"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-resource-agents"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"ceph-test"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"libcephfs-java"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"libcephfs-jni"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"libcephfs2"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"librados2"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"libradosstriper1"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"librbd1"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"librgw2"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python-ceph"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python-cephfs"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python-rados"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python-rbd"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python-rgw"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python3-ceph-argparse"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python3-cephfs"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python3-rados"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python3-rbd"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"python3-rgw"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"radosgw"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"rbd-fuse"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"rbd-mirror"},{"binary_version":"12.2.13-0ubuntu0.18.04.11","binary_name":"rbd-nbd"}],"availability":"No 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