SB2022092649 - Denial of service in MariaDB



SB2022092649 - Denial of service in MariaDB

Published: September 26, 2022

Security Bulletin ID SB2022092649
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2022-38791)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to compress_write() function in extra/mariabackup/ds_compress.cc does not release data_mutex upon a stream write failure. A local user can trigger a deadlock and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.