CVE-2021-4122
Published: 13 January 2022
decryption through LUKS2 reencryption crash recovery
Priority
Medium
CVSS 3 base score: 5.9
Status
| Package | Release | Status |
|---|---|---|
|
cryptsetup Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Released
(2:2.2.2-3ubuntu2.4)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Released
(2:2.3.7-0ubuntu0.21.10.1)
|
|
| jammy |
Released
(2:2.4.3-1ubuntu1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2.4.3,2.3.7)
|
|
| xenial |
Not vulnerable
(code not present)
|
Notes
| Author | Note |
|---|---|
| amurray | Vulnerability is in the online re-encryption feature which is only supported by cryptsetup >= 2.2.0 |
| mdeslaur | per upstream, the backport to 2.2 would be very problematic and it is suggested that the best option is to disable online reencryption |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4122
- https://www.openwall.com/lists/oss-security/2022/01/13/2
- https://ubuntu.com/security/notices/USN-5286-1
- NVD
- Launchpad
- Debian