In MariaDB before 10.9.2, compresswrite in extra/mariabackup/dscompress.cc does not release data_mutex upon a stream write failure, which allows local users to trigger a deadlock.
{ "cpes": [ "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*", "cpe:2.3:a:mariadb:mariadb:10.9.1:*:*:*:*:*:*:*" ], "severity": "Medium" }