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Test your applicationsUpgrade RHEL:9 mariadb-gssapi-server to version 3:10.5.16-2.el9_0 or higher.
This issue was patched in RHSA-2022:5948.
Note: Versions mentioned in the description apply only to the upstream mariadb-gssapi-server package and not the mariadb-gssapi-server package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
MariaDB Server before 10.7 is vulnerable to Denial of Service. In extra/mariabackup/ds_compress.cc, when an error occurs (pthread_create returns a nonzero value) while executing the method create_worker_threads, the held lock is not released correctly, which allows local users to trigger a denial of service due to the deadlock. Note: The vendor argues this is just an improper locking bug and not a vulnerability with adverse effects.