RHSA-2021:1039 - Security Advisory

Topic

An update for mariadb is now available for Red Hat OpenStack Platform 13
(Queens).

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

Description

MariaDB is a community developed branch of MySQL.
MariaDB is a multi-user, multi-threaded SQL database server.

Security Fix(es):

• writable system variables allows a database user with SUPER privilege to

execute arbitrary code as the system mysql user (CVE-2021-27928)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

Solution

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack for IBM Power 13 ppc64le
• Red Hat OpenStack 13 x86_64

Fixes

• BZ - 1940909 - CVE-2021-27928 mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user

CVEs

• CVE-2021-27928

References

• https://access.redhat.com/security/updates/classification/#important