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OpenAdvisories
Unscored CVE-2021-3979 EUVD-2021-27181GHSA-23g5-cwwr-8xhw

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 encry…

Published Aug 25, 2022 · Updated Nov 3, 2025 · Assigned by redhat

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.

Affected products

VendorProductAffectedFixed
— ceph Not-Known —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 ceph 16.2.9+ds-1 —
Debian 13 ceph 16.2.9+ds-1 —
Debian 12 ceph 16.2.9+ds-1 —
Debian 11 ceph 14.2.21-1+deb11u1 DLA-4310-1
Debian 10 ceph 12.2.11+dfsg1-2.1+deb10u1 DLA-3629-1
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS ceph 17.2.5-0ubuntu0.22.04.3 USN-6063-1
Ubuntu 20.04 LTS ceph 15.2.17-0ubuntu0.20.04.3 USN-6063-1
Ubuntu 18.04 LTS ceph 12.2.13-0ubuntu0.18.04.11 USN-6063-1
ReleasePackageFixed inAdvisory
Red Hat Ceph Storage 5 ceph +42 2:16.2.7-98.el8cp RHSA-2022:1174
Red Hat Ceph Storage 4 ceph +32 2:14.2.22-110.el7cp RHSA-2022:1716
Red Hat Ceph Storage 4 python-rsa +1 4.8-1.el8cp RHSA-2022:1716
Red Hat Ceph Storage 4 python3-rbd +4 2:14.2.22-110.el8cp RHSA-2022:1716
ReleasePackageFixed inAdvisory
SLES 15 SP4 ceph 16.2.9.536+g41a9f9a5573-150400.3.3.1 SUSE-SU-2022:2818-1
SLES 15 SP3 ceph 16.2.9.536+g41a9f9a5573-150300.6.3.1 SUSE-SU-2022:4501-1
SLES 15 SP3 fmt 8.0.1-150300.7.5.1 SUSE-SU-2022:4501-1
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 5.2 ceph 16.2.9.536+g41a9f9a5573-150300.6.3.1 SUSE-SU-2022:4501-1
SLE Micro 5.2 fmt 8.0.1-150300.7.5.1 SUSE-SU-2022:4501-1
SLE Micro 5.1 ceph 16.2.9.536+g41a9f9a5573-150300.6.3.1 SUSE-SU-2022:4501-1
SLE Micro 5.1 fmt 8.0.1-150300.7.5.1 SUSE-SU-2022:4501-1
SUSE Enterprise Storage 7.1 ceph 16.2.9.536+g41a9f9a5573-150300.3.3.1 SUSE-SU-2022:2817-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed ceph 16.2.9.536+g41a9f9a5573-1.1 openSUSE-SU-2024:12195-1
openSUSE Leap 15.4 ceph +1 16.2.9.536+g41a9f9a5573-150400.3.3.1 SUSE-SU-2022:2818-1
openSUSE Leap 15.3 ceph +1 16.2.9.536+g41a9f9a5573-150300.6.3.1 SUSE-SU-2022:4501-1
openSUSE Leap 15.3 fmt 8.0.1-150300.7.5.1 SUSE-SU-2022:4501-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.2 ceph 16.2.9.536+g41a9f9a5573-150300.6.3.1 SUSE-SU-2022:4501-1
openSUSE Leap Micro 5.2 fmt 8.0.1-150300.7.5.1 SUSE-SU-2022:4501-1

Advisories 10

References