| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ceph (PTS) | buster | 12.2.11+dfsg1-2.1 | vulnerable |
| bullseye | 14.2.21-1 | vulnerable | |
| bookworm, sid | 16.2.11+ds-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 | (unstable) | 16.2.9+ds-1 |
[bullseye] - ceph <no-dsa> (Minor issue)
[buster] - 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)