CVE-2004-0685: Certain USB drivers in the Linux 2.4 kernel use the copy_to_user function on uninitialized structures, whic...

Security readout for executives and security teams

This is an old Linux kernel information-disclosure flaw. Certain Linux 2.4 USB drivers could copy leftover kernel memory to a local user because structures were not cleared first. The practical risk is leakage of sensitive data from legacy systems, not remote takeover based on the provided sources. Exposure is most plausible on legacy Linux 2.4 systems, embedded appliances, or old distribution kernels covered by the referenced vendor advisories. A local user context appears required. Modern supported kernels are unlikely to be affected, but the bundle does not prove that for every product. Treat this as a legacy-system hygiene issue unless asset discovery finds exposed Linux 2.4 hosts with local multi-user access. Prioritize remediation for shared servers, appliances handling sensitive data, or unsupported systems that cannot receive vendor kernel updates. Mitigation focus: Inventory Linux 2.4 systems and old vendor kernels.; Review referenced vendor advisories for applicable fixed kernel packages.; Upgrade affected systems to supported kernels where feasible..

Prepared

Jun 30, 2026, 02:24 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.