Is CVE-2025-22074 in the CISA KEV catalog?

No. CVE-2025-22074 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-22074?

CVE-2025-22074 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2025-22074?

CVE-2025-22074 has an EPSS score of 0.17% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-22074?

Upgrade linux on debian 13 to 6.12.25-1 or later.

CVE & CISA-KEV Catalog

CVE-2025-22074

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix r_count dec/increment mismatch r_count is only increased when there is an oplock break wait, so r_count inc/decrement are not paired. This can cause r_count to become negative, which can lead to a problem where the ksmbd thread does not terminate.

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.25-1CVE-2025-22074

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Patch5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-14.