What’s Vulnerable › Vulnerabilities

CVE-2025-6603: coldfunction qCUDA qcow.c qcow_make_empty integer overflow

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-25 · updated 2026-06-17
• Weakness: CWE-189

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.

Affected products

• coldfunction qCUDA: db0085400c2f2011eed46fbc04fdc0873141688e

References

• https://github.com/coldfunction/qCUDA/issues/10
• https://vuldb.com/?ctiid.313820
• https://vuldb.com/?id.313820
• https://vuldb.com/?submit.601029

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