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Vulnerabilities

Vulnerability · CVE-2025-6603

A vulnerability was found in coldfunction qCUDA up to db0085400c2f2011eed46fbc04fdc0873141688e.

Published Jun 25, 2025 · catalog updated Jun 25, 2025 · qCUDA

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-6603. EPSS is 0.16%. Act only if a listed version of qCUDA is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Vendor / distro source
Affected products
vendor coldfunction qCUDA db0085400c2f2011eed46fbc04fdc0873141688e

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor coldfunction qCUDA db0085400c2f2011eed46fbc04fdc0873141688edb0085400c2f2011eed46fbc04fdc0873141688e

How to fix CVE-2025-6603

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-6603. EPSS is 0.16%. Act only if a listed version of qCUDA is installed.

Which versions are affected?

Compare what you have installed with coldfunction qCUDA db0085400c2f2011eed46fbc04fdc0873141688e db0085400c2f2011eed46fbc04fdc0873141688e. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 25, 2025 · EUVD

    Detected

    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 contini

  2. Jun 25, 2025 · EUVD

    Updated

    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 contini

Sources

  • CVE.orgVulnerability recordCVE-2025-6603

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6603

    30-day exploitation probability 0.16%

    first.org
  • EUVDVulnerability recordEUVD-2025-19083

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026