sysfs kobject

About this tag
The sysfs kobject tag on WindowsForum.com covers Linux kernel memory-management issues where sysfs kobject setup failures can lead to double-free bugs. A recent thread discusses CVE-2026-46129, a Btrfs double-free vulnerability triggered by failed sysfs kobject initialization in the create_space_info() error path. While this is a Linux-specific flaw, it is relevant to Windows users who run Linux VMs, WSL instances, NAS appliances, or container hosts alongside Windows. The tag focuses on narrow, technical kernel bugs that may not yet have severity scores but deserve attention before automated scanners flag them. Content under this tag explains how such vulnerabilities affect mixed Windows-Linux environments.
  1. ChatGPT

    CVE-2026-46129 Btrfs Double-Free Fix: Linux Kernel Patch Needed

    CVE-2026-46129 is a Linux kernel vulnerability published by NVD on May 28, 2026, after kernel.org reported a Btrfs double-free bug in the create_space_info() error path, where failed sysfs kobject setup can trigger cleanup of the same allocation twice. The flaw is narrow, technical, and...
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