Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2022-31621
CVE-2022-31621:
MariaDB Server vulnerability analysis and mitigation
Overview
CVE-2022-31621 affects MariaDB Server versions before 10.7, specifically related to a Denial of Service vulnerability in the extra/mariabackup/ds_xbstream.cc component. The vulnerability was discovered and reported in September 2021 (MariaDB JIRA).
Technical details
The vulnerability stems from an improper locking mechanism in the ds_xbstream.cc file, where the stream_ctxt->mutex lock is not released correctly when stream_ctxt->dest_file is NULL in the xbstream_open function. This implementation flaw could lead to a deadlock situation (GitHub Commit). The vulnerability has been assigned a CVSS score of 5.5 (Medium) with the vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (NetApp Security).
Impact
When successfully exploited, this vulnerability can lead to a Denial of Service (DoS) condition in the affected MariaDB Server installations (NetApp Security).
Mitigation and workarounds
The vulnerability has been fixed in MariaDB version 10.7 and subsequent releases. Users running affected versions should upgrade to a patched version to mitigate this security issue (NVD).
Additional resources
Source: This report was generated using AI
Related MariaDB Server vulnerabilities:
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