CVE-2021-3979
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.
- Score
- CVSS 3.1 6.5 Medium
- Status
- Modified - secalert@redhat.com
- Published
- 2022-08-25
- Last modified
- 2025-11-03
- Weaknesses
- CWE-287, CWE-327
Affected products
- Fedora (Fedoraproject)
- Ceph Storage (Redhat)
- Ceph Storage For Ibm Z Systems (Redhat)
- Ceph Storage For Power (Redhat)
- Openshift Container Storage (Redhat)
- Openshift Data Foundation (Redhat)
- Openstack Platform (Redhat)
References
- https://access.redhat.com/security/cve/CVE-2021-3979
- https://bugzilla.redhat.com/show_bug.cgi?id=2024788
- https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656
- https://github.com/ceph/ceph/pull/44765
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN45…
- https://tracker.ceph.com/issues/54006
- https://lists.debian.org/debian-lts-announce/2025/09/msg00025.html