This update for mariadb to version 10.2.22 fixes the following issues:
Security issues fixed (bsc#1122198):
- CVE-2019-2510: Fixed a vulnerability which can lead to MySQL compromise and lead to Denial of Service.
- CVE-2019-2537: Fixed a vulnerability which can lead to MySQL compromise and lead to Denial of Service.
Other issues fixed:
- Fixed an issue where mysl_install_db fails due to incorrect basedir (bsc#1127027).
- Fixed an issue where the lograte was not working (bsc#1112767).
- Backport Information Schema CHECK_CONSTRAINTS Table.
- Maximum value of table_definition_cache is now 2097152.
- InnoDB ALTER TABLE fixes.
- Galera crash recovery fixes.
- Encryption fixes.
- Remove xtrabackup dependency as MariaDB ships a build in mariabackup so xtrabackup is not needed (bsc#1122475).
The complete changelog can be found at: https://mariadb.com/kb/en/library/mariadb-10222-changelog/