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CVE-2022-31622

MEDIUM
5.5
CVSS Score
Published: May 25, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:45 AM UTC
1 product affected across 1 vendorMariaDB

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

MariaDB Server before 10.7 is vulnerable to Denial of Service. In extra/mariabackup/ds_compress.cc, when an error occurs (pthread_create returns a nonzero value) while executing the method create_worker_threads, the held lock is not released correctly, which allows local users to trigger a denial of service due to the deadlock. Note: The vendor argues this is just an improper locking bug and not a vulnerability with adverse effects.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MariaDB· Mariadbnpm
95%
v < 10.2.4210.3.0 ≤ v < 10.3.3310.4.0 ≤ v < 10.4.2310.5.0 ≤ v < 10.5.1410.6.0 ≤ v < 10.6.610.7.0 ≤ v < 10.7.2
Affected range stops below 10.2.42, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.3.33, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.4.23, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.5.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.6.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.7.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

PatchThird Party Advisory
Source: [email protected]
https://github.com/MariaDB/server/commit/e1eb39a446c30b8459c39fd7f2ee1c55a36e97d2
Source: [email protected]
https://jira.mariadb.org/browse/MDEV-26561
Issue TrackingPermissions RequiredThird Party Advisory
Source: [email protected]
https://jira.mariadb.org/browse/MDEV-26561?filter=-2
Source: [email protected]
https://jira.mariadb.org/browse/MDEV-26574
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220707-0006/

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-667

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