CVE-2022-31623
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Mariadb
PublishedMay 25, 2022
First seenMay 25, 2022
How to fix
Update
- mariadb mariadb10.2.42, 10.3.33, 10.4.23, 10.5.14, 10.6.6, 10.7.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mariadb mariadb | v < 10.2.42, 10.3.0 ≤ v < 10.3.33, 10.4.0 ≤ v < 10.4.23, 10.5.0 ≤ v < 10.5.14, 10.6.0 ≤ v < 10.6.6, 10.7.0 ≤ v < 10.7.2 | 10.2.42, 10.3.33, 10.4.23, 10.5.14, 10.6.6, 10.7.2 |
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