Vulnerability CVE-2022-31621


Published: 2022-05-25

Description:
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.

Type:

CWE-667

(Improper Locking)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Mariadb -> Mariadb 

 References:
https://jira.mariadb.org/browse/MDEV-26574?filter=-2
https://github.com/MariaDB/server/commit/b1351c15946349f9daa7e5297fb2ac6f3139e4a8

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