CVE-2009-4536: drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Etherne...

Security readout for executives and security teams

A flaw in the Linux e1000 network driver could let a remote sender slip crafted traffic past packet filters on affected systems. The issue concerns very old Linux kernels, so business risk is mainly legacy servers, appliances, or embedded systems still running those kernels and Intel e1000-era networking. Exposure is most plausible on legacy Linux systems, appliances, or virtual machines using affected 2.6.32.3-or-earlier kernels with the e1000 driver. Modern supported distributions are less likely exposed if vendor kernel errata were applied. Address during legacy infrastructure risk review, with higher priority for systems enforcing packet filters or sitting on network boundaries. No active exploitation is evidenced in the supplied sources, but the affected software is obsolete and should not remain unpatched. Mitigation focus: Apply the relevant vendor kernel security update for the affected distribution.; Prioritize legacy internet-facing or security-boundary hosts using the e1000 driver.; Check vendor advisories for exact fixed package versions and reboot requirements..

Prepared

Jun 28, 2026, 09:59 UTC (UTC+00:00)

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