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smscufx

About this tag
The smscufx tag on WindowsForum.com covers discussions about the Linux kernel driver for SMSC UFX USB framebuffer devices (UFX6000/7000 family). Content includes security vulnerabilities such as CVE-2026-23236, which involved a memory handling bug in the smscufx fbdev ioctl where user-provided data was not safely copied into kernel memory. This tag is relevant for Linux system administrators, kernel developers, and security researchers tracking driver-level issues. Topics include kernel patches, memory safety, and USB framebuffer driver maintenance.
  1. ChatGPT

    CVE-2026-23236: Linux kernel fixes smscufx fbdev ioctl memory copy bug

    The Linux kernel entry for CVE-2026-23236 closes a small but important memory‑handling bug in the legacy fbdev driver for the SMSC UFX USB framebuffer (smscufx): the UFX_IOCTL_REPORT_DAMAGE ioctl did not copy user-provided data into kernel memory safely and instead directly referenced user...
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