Vulnerability Details : CVE-2022-31621
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2022-31621
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-31621
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-31621
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-31621
-
https://jira.mariadb.org/browse/MDEV-26574?filter=-2
Log in - JiraIssue Tracking;Permissions Required;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20220707-0006/
June 2022 MariaDB Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://github.com/MariaDB/server/commit/b1351c15946349f9daa7e5297fb2ac6f3139e4a8
MDEV-26574 An improper locking bug due to unreleased lock in the ds_x… · MariaDB/server@b1351c1 · GitHubPatch;Third Party Advisory
Products affected by CVE-2022-31621
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*