FKIE_CVE-2021-3979

Vulnerability from fkie_nvd - Published: 2022-08-25 20:15 - Updated: 2025-11-03 19:15
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2021-3979Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2024788Issue Tracking, Vendor Advisory
secalert@redhat.comhttps://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/ceph/ceph/pull/44765Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/Mailing List
secalert@redhat.comhttps://tracker.ceph.com/issues/54006Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2021-3979Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2024788Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ceph/ceph/pull/44765Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/09/msg00025.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPOK44BESMIFW6BIOGCN452AKKOIIT6Q/Mailing List
af854a3a-2127-422b-91ae-364da2661108https://tracker.ceph.com/issues/54006Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
redhat ceph_storage 3.0
redhat ceph_storage 4.3
redhat ceph_storage 5.1
redhat openshift_container_storage 4.0
redhat openshift_data_foundation 4.0
redhat openstack_platform 13.0
redhat ceph_storage_for_ibm_z_systems 4.0
redhat ceph_storage 4.0
redhat ceph_storage 5.0
redhat ceph_storage_for_power 4.0
redhat enterprise_linux 8.0
redhat ceph_storage 4.0
redhat ceph_storage 5.0
redhat ceph_storage_for_power 4.0
redhat enterprise_linux 7.0
fedoraproject fedora 35
fedoraproject fedora 37
To clipboard 

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.