Resource management error in MariaDB - CVE-2022-38791
Published: September 26, 2022
Vulnerability identifier: #VU67656
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2022-38791
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Debian
Affected software:
MariaDB
MariaDB
Detailed vulnerability description
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.
How to mitigate CVE-2022-38791
Install updates from vendor's website.