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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-31621US | medium5.5 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/MariaDB/server/commit/b1351c15946349f9daa7e5297fb2ac6f3139e4a8ADVISORY
- https://jira.mariadb.org/browse/MDEV-26561WEB
- https://jira.mariadb.org/browse/MDEV-26574WEB
- https://jira.mariadb.org/browse/MDEV-26574?filter=-2ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2022-31621WEB
- https://security.netapp.com/advisory/ntap-20220707-0006/ADVISORY
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