CVE-2004-0685: Linux Kernel

Medium severity, CVSS 4.6. EPSS: 0.5% chance of exploitation in the next 30 days.

Certain USB drivers in the Linux 2.4 kernel use the copy_to_user function on uninitialized structures, which could allow local users to obtain sensitive information by reading memory that was not cleared from previous usage.

Affected products

• Linux Linux Kernel: version 2.2.0 only; version 2.2.1 only; version 2.2.2 only; version 2.2.3 only; version 2.2.4 only; version 2.2.5 only; …
• Red Hat Enterprise Linux: version 3.0 only
• Red Hat Enterprise Linux Desktop: version 3.0 only
• Trustix Secure Linux: version 2.0 only; version 2.1 only

Published 2004-12-23. Last modified 2026-06-16.