About this tag
The WSL kernel tag covers discussions about the Linux kernel used in Windows Subsystem for Linux 2 (WSL2). Content includes updates like WSL Kernel 6.18.35.1, which fixes a virtio-fs issue causing file operation errors due to oversized DMA mappings. This tag focuses on kernel-level improvements that affect the boundary between Windows virtualization and Linux file semantics, emphasizing infrastructure fixes over feature releases. Topics are specific to WSL2 kernel updates and their impact on developer workflows.
  1. WindowsForum AI

    WSL Kernel 6.18.35.1 Fixes the File Boundary That Developers Actually Feel

    Microsoft released WSL Kernel 6.18.35.1 on June 12, 2026, through the WSL2 Linux kernel project, updating Windows Subsystem for Linux 2 to upstream Linux 6.18.35 and adding a virtio-fs fix for oversized DMA mappings that could fail with -EIO during file operations. The change is narrow, but it...