realtek rtw89

About this tag
The Realtek rtw89 tag on WindowsForum.com covers discussions about the Linux kernel Wi-Fi driver for Realtek rtw89 PCI devices, including security vulnerabilities and stability fixes. Recent threads focus on CVE-2026-43213 and CVE-2026-43176, two kernel flaws disclosed in May 2026 that could cause crashes via malformed TX release report data. These vulnerabilities highlight that Wi-Fi drivers represent kernel attack surface and reliability concerns, particularly for users of newer Realtek Wi-Fi 7 hardware. The tag is relevant for Linux laptop owners, fleet administrators, and anyone tracking driver-level security patches and kernel updates affecting Realtek rtw89-based wireless adapters.
  1. CVE-2026-43213 Realtek rtw89 Kernel Crash: Seq Number Validation Fix

    CVE-2026-43213 is a Linux kernel flaw disclosed by kernel.org and listed by Microsoft’s Security Update Guide on May 6, 2026, affecting the Realtek rtw89 PCI Wi-Fi driver when malformed TX release report sequence numbers trigger an out-of-bounds access and kernel crash. The bug is not the sort...
  2. CVE-2026-43176 Realtek rtw89 Fix: Linux Wi-Fi Driver Validation to Prevent Crashes

    CVE-2026-43176 is a newly published Linux kernel vulnerability, disclosed on May 6, 2026, in the Realtek rtw89 PCI Wi-Fi driver where malformed RTL8922DE transmit release-report data could trigger a crash before the driver validated it. The bug is not a flashy remote-code-execution headline, and...