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CVE-2022-31621

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_xbstream.cc, when an error occurs (stream_ctxt->dest_file == NULL) while executing the method xbstream_open, 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.

Affected products

VendorProductAffected versions
MariadbMariadb
before 10.2.41
from 10.3.0 before 10.3.32
from 10.4.0 before 10.4.22
from 10.5.0 before 10.5.13
from 10.6.0 before 10.6.5

Weakness classification

CWE-667

References