Improper Locking Affecting mariadb-pam package, versions <3:10.5.13-1.module+el8.5.0+773+f75e97f7


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ROCKY8-MARIADBPAM-3210222
  • published5 Jan 2023
  • disclosed25 May 2022

Introduced: 25 May 2022

CVE-2022-31621  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 mariadb-pam to version 3:10.5.13-1.module+el8.5.0+773+f75e97f7 or higher.
This issue was patched in RLSA-2022:1557.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mariadb-pam package and not the mariadb-pam package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1