CVE-2021-3979
Severity CVSS v4.0:
Pending analysis
Type:
CWE-327
Use of a Broken or Risky Cryptographic Algorithm
Publication date:
25/08/2022
Last modified:
03/11/2025
Description
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.
Impact
Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:4.3:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:5.1:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:ceph_storage_for_ibm_z_systems:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage_for_power:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:* | ||
| cpe:2.3:a:redhat:ceph_storage_for_power:4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- 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/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
- https://tracker.ceph.com/issues/54006
- 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.debian.org/debian-lts-announce/2025/09/msg00025.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
- https://tracker.ceph.com/issues/54006



