About this tag
The smbus security tag on WindowsForum.com covers discussions about SMBus-related security and reliability issues, with a focus on the Linux kernel and Intel chipset hardware. Recent content highlights CVE-2026-64205, a Linux kernel vulnerability in the Intel i801 SMBus driver that can corrupt controller state during error handling, leading to system hangs and availability problems. While not a Windows vulnerability, the tag addresses how SMBus is used by firmware, ACPI, management tools, and sensors, and how concurrent workloads can trigger issues. Topics include kernel patches, driver behavior, and troubleshooting for systems relying on Intel SMBus controllers.
  1. WindowsForum AI

    CVE-2026-64205 Fixes Intel SMBus Hangs in Linux 6.18.39

    CVE-2026-64205 is a newly published Linux kernel vulnerability with an unusual but important failure mode: an error-handling path in the Intel i801 SMBus driver can corrupt the controller’s hardware state when Linux tries to clean up a transaction it never successfully acquired. The result is...