CVE-2021-3979
- State
- Published
- Severity
- Not scored
- Published
- Aug 25, 2022
- Updated
- Nov 3, 2025
- Reserved
- Nov 19, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Affected Products
| Product | Versions |
|---|---|
cephn/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2024788
- https://access.redhat.com/security/cve/CVE-2021-3979
- https://tracker.ceph.com/issues/54006
- https://github.com/ceph/ceph/pull/44765
- https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656
- FEDORA-2022-d832fd2f45vendor-advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
- https://lists.debian.org/debian-lts-announce/2025/09/msg00025.html
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