SB2022053133 - Improper locking in MariaDB
Published: May 31, 2022 Updated: August 4, 2022
Security Bulletin ID
SB2022053133
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper locking (CVE-ID: CVE-2022-31621)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service attack (DoS) on the target system.
The vulnerability exists due to double-locking error in the extra/mariabackup/ds_xbstream.cc. A local user can exploit this vulnerability to cause a deadlock, resulting in a denial of service condition.
Remediation
Install update from vendor's website.