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Status published
Medium
CVE-2021-3979
A key length flaw was found in Red Hat Ceph...
Vulnerability 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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
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Affected Vendor
Affected Software
ceph
Vulnerable Versions:
Not-Known
Timeline
Official Publish:
August 25th, 2022
Last Modified:
November 3rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N