CVE-2005-0504: Buffer overflow in the MoxaDriverIoctl function for the moxa serial driver (moxa.c) in Linux 2.2.x, 2.4.x,...

Security readout for executives and security teams

This is an old Linux kernel driver flaw. A local user on an affected system could potentially take control of the machine through a buffer overflow in the Moxa serial driver. It is mainly a concern for legacy Linux estates or embedded systems still running very old kernels. Exposure is likely limited to systems running old Linux kernels before 2.6.22, especially legacy servers, appliances, or embedded deployments using or carrying the moxa serial driver. Prioritize remediation where legacy Linux systems still exist and untrusted or broad local access is possible. This is not evidenced as an active internet-scale emergency, but local kernel code execution can mean full host compromise. Mitigation focus: Upgrade affected kernels to vendor-fixed releases or Linux 2.6.22 or later.; Apply relevant Debian, Red Hat, or Ubuntu kernel advisories where applicable.; Check vendor guidance before relying on driver removal or disablement..

Prepared

Jun 30, 2026, 00:10 UTC (UTC+00:00)

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