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CVE-2022-31623

MariaDB Server before 10.7 is vulnerable to Denial of Service.

Impact

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. Note: The vendor argues this is just an improper locking bug and not a vulnerability with adverse effects.

Affected products

VendorProductAffected versions
MariadbMariadb
before 10.2.42
from 10.3.0 before 10.3.33
from 10.4.0 before 10.4.23
from 10.5.0 before 10.5.14
from 10.6.0 before 10.6.6
from 10.7.0 before 10.7.2

Weakness classification

CWE-667

References