cve 2026 68192

CVE-2026-68192 is a Linux kernel vulnerability that fixes a double-free condition in the Broadcom brcmfmac PCIe Wi-Fi driver. The bug occurs when a device-reset teardown runs before the driver is removed, causing two cleanup paths to free the same DMA-coherent memory buffers. This is not a Windows Wi-Fi driver issue and does not map to a Microsoft KB. For Windows administrators, the relevance is limited to dual-boot systems or Linux-based appliances using Broadcom PCIe FullMAC adapters. Patch management for this CVE falls under Linux kernel updates, not Windows updates. The tag covers this specific vulnerability and its implications for mixed-environment IT teams.