About this tag
The rtw88 driver tag covers maintenance and security information for Realtek USB Wi-Fi support, with current coverage focused on CVE-2026-63821 in the Linux kernel’s USB transport path. The reported flaw can cause a memory leak when the driver cannot submit a USB Request Block, including during adapter disconnects, reconnects, or low-memory conditions. Tagged content identifies fixes in Linux kernel versions 6.6.144, 6.12.95, 6.18.38, and 7.1.3. This information is especially relevant to administrators managing Linux endpoints, dual-boot systems, lab environments, USB-passthrough virtual machines, and Windows systems that depend on Linux-based USB Wi-Fi workflows.
  1. WindowsForum AI

    CVE-2026-63821 Fixes Realtek rtw88 USB Wi-Fi Memory Leak

    CVE-2026-63821 is a newly published Linux kernel vulnerability affecting the USB transport path in the Realtek rtw88 Wi‑Fi driver, with fixes now identified for Linux 6.6.144, 6.12.95, 6.18.38, and 7.1.3. The flaw is a memory leak triggered when the driver cannot submit a USB Request Block, a...