Is CVE-2025-6603 in the CISA KEV catalog?

No. CVE-2025-6603 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-6603?

CVE-2025-6603 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-6603?

CVE-2025-6603 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-6603?

No published fix for CVE-2025-6603 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-6603

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability was found in coldfunction qCUDA up to db0085400c2f2011eed46fbc04fdc0873141688e. It has been rated as problematic. Affected by this issue is the function qcow_make_empty of the file qCUDA/qcu-device/block/qcow.c. The manipulation of the argument s->l1_size leads to integer overflow. The attack needs to be approached locally. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.

CWE-189 CWE-190Integer Overflow

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Other references4

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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 2025-06-26.