| Name | CVE-2021-3979 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3629-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ceph (PTS) | bullseye | 14.2.21-1 | vulnerable |
| bookworm, bookworm (security) | 16.2.15+ds-0+deb12u1 | fixed |
| sid, trixie | 18.2.7-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ceph | source | buster | 12.2.11+dfsg1-2.1+deb10u1 | | DLA-3629-1 | |
| ceph | source | (unstable) | 16.2.9+ds-1 | | | |
Notes
[bullseye] - ceph <no-dsa> (Minor issue)
[stretch] - ceph <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2022/01/11/5
https://tracker.ceph.com/issues/54006
https://github.com/ceph/ceph/commit/47c33179f9a15ae95cc1579a421be89378602656 (main)
https://github.com/ceph/ceph/commit/f69339e00f582ec64b843ff58b66817975fca0d7 (v16.2.8)