UBUNTU-CVE-2021-3979

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-3979
Downstream
USN-6063-1
Published: 25 Aug 2022, 20:15
Last modified:22 Apr 2026, 13:00

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Aug 2022, 20:15
Published
Vulnerability first disclosed
22 Apr 2026, 13:00
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Systems

  • ubuntu•ceph

    < 12.2.13-0ubuntu0.18.04.11 | < 15.2.17-0ubuntu0.20.04.3

References (5)