UpHeron
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Servers and applications

CVE-2022-31623

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…

Severity
Medium 5.5
Published
25 May 2022
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
10.2.42, 10.3.33, 10.4.23, 10.5.14, 10.6.6, 10.7.2
Sources
NVD

Affected software

SoftwareAffected versions
MariaDBServers and applications · cpe:a:mariadb:mariadb
  • Every version 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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-31623
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-31623