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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3629-1 ceph security update
Debian DLA Debian DLA DLA-4310-1 ceph security update
EUVD EUVD EUVD-2021-27181 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.
Ubuntu USN Ubuntu USN USN-6063-1 Ceph vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 03 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-03T18:08:00.683Z

Reserved: 2021-11-19T00:00:00.000Z

Link: CVE-2021-3979

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-25T20:15:09.473

Modified: 2025-11-03T19:15:40.360

Link: CVE-2021-3979

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-01-11T00:00:00Z

Links: CVE-2021-3979 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses