CVE-2010-3084: Buffer overflow in the niu_get_ethtool_tcam_all function in drivers/net/niu.c in the Linux kernel before 2....

Security readout for executives and security teams

This is an old Linux kernel flaw in the NIU network driver. A local user could trigger a buffer overflow through an ethtool request, causing a crash or possibly another unspecified impact. Business risk is mainly legacy Linux exposure on systems using the affected driver, especially where untrusted users have local access. Likely limited to legacy Linux kernels before the upstream fix, particularly systems using the NIU network driver. Exposure is higher on multi-user hosts or appliances where local users can reach the affected ethtool path. Current enterprise kernels are unlikely to be affected if vendor security updates have been applied. Treat as a legacy exposure cleanup item unless affected systems host untrusted local users. It is not presented as remotely exploitable or actively exploited in the provided sources, but kernel flaws on unsupported systems can still create operational risk. Mitigation focus: Apply the vendor kernel update covering CVE-2010-3084.; Check Ubuntu, Red Hat, SUSE, or relevant distribution advisories for fixed packages.; Prioritize legacy multi-user Linux hosts and systems using the NIU driver..

Prepared

Jun 28, 2026, 01:40 UTC (UTC+00:00)

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