How severe is CVE-2022-31624?

CVE-2022-31624 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-31624 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31624?

CVE-2022-31624 affects Mariadb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31624?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-31624 published?

CVE-2022-31624 was published on 2022-05-25 and last updated on 2026-06-17.

CVE-2022-31624

CVE-2022-31624 is a medium-severity vulnerability in Mariadb with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-667.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-667
Affected product: Mariadb
Published: 2022-05-25
Last modified: 2026-06-17

Description

MariaDB Server before 10.7 is vulnerable to Denial of Service. While executing the plugin/server_audit/server_audit.c method log_statement_ex, the held lock lock_bigbuffer is not released correctly, which allows local users to trigger a denial of service due to the deadlock.

Frequently asked questions

What is CVE-2022-31624?: MariaDB Server before 10.7 is vulnerable to Denial of Service. While executing the plugin/server_audit/server_audit.c method log_statement_ex, the held lock lock_bigbuffer is not released correctly, which allows local users to trigger a denial of service due to the deadlock.
How severe is CVE-2022-31624?: CVE-2022-31624 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-31624 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31624?: CVE-2022-31624 affects Mariadb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31624?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-31624 published?: CVE-2022-31624 was published on 2022-05-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*

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