| Name | CVE-2022-31623 |
| Description | MariaDB Server before 10.7 is vulnerable to Denial of Service. In extra/mariabackup/ds_compress.cc, when an error occurs (i.e., going to the err label) while executing the method create_worker_threads, the held lock thd->ctrl_mutex is not released correctly, which allows local users to trigger a denial of service due to the deadlock. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mariadb-10.3 (PTS) | buster | 1:10.3.34-0+deb10u1 | fixed |
| buster (security) | 1:10.3.39-0+deb10u2 | fixed | |
| mariadb-10.5 (PTS) | bullseye | 1:10.5.23-0+deb11u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mariadb-10.1 | source | (unstable) | (unfixed) | |||
| mariadb-10.3 | source | buster | 1:10.3.34-0+deb10u1 | |||
| mariadb-10.3 | source | (unstable) | (unfixed) | |||
| mariadb-10.5 | source | bullseye | 1:10.5.15-0+deb11u1 | |||
| mariadb-10.5 | source | (unstable) | (unfixed) | |||
| mariadb-10.6 | source | (unstable) | 1:10.6.6-1 |
https://github.com/MariaDB/server/pull/1938
https://github.com/MariaDB/server/commit/7c30bc38a588b22b01f11130cfe99e7f36accf94 (mariadb-10.2.42)