CVE-2025-6603 MEDIUM

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

Vendor Coldfunction
Product qCUDA
Weakness CWE-190
Published June 25, 2025
Last update June 25, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 25, 2025 CVE published
June 25, 2025 Record updated