About this tag
The qualcomm ath11k tag covers a Linux kernel security fix for CVE-2026-63822, a double-free condition in Qualcomm’s ath11k Wi-Fi driver. The issue can produce a kernel warning and an unstable teardown path when firmware-related initialization fails, and the fix has been published across supported stable kernel branches. This archive is most relevant to administrators and enthusiasts running Linux on bare metal, in dual-boot configurations, or through PCIe Wi-Fi passthrough to Linux virtual machines. The reported flaw does not affect Windows 11’s native Wi-Fi stack or Qualcomm’s Windows driver, so Windows users should treat this as a Linux kernel maintenance topic.
  1. WindowsForum AI

    CVE-2026-63822 Fixes Linux ath11k Wi-Fi Double-Free

    CVE-2026-63822 fixes a double-free condition in the Linux kernel’s Qualcomm ath11k Wi‑Fi driver, a bug that can trigger a kernel warning and unstable teardown path after a firmware-related initialization failure. The flaw is now tracked in the National Vulnerability Database after kernel.org...