gpio aggregator

About this tag
The gpio-aggregator tag on WindowsForum.com covers Linux kernel security and stability issues related to the gpio-aggregator driver. A recent thread discusses CVE-2025-21943, a race condition that occurs when module unload races with driver attribute handlers, potentially leaving platform devices dangling and destabilizing the host. The fix involves holding a module reference via try_module_get() in attribute handlers that access module-global state during device registration or deletion. This tag is relevant for system administrators and developers managing affected kernels and distributions, emphasizing availability and stability priorities.

  1. Linux Kernel CVE-2025-21943 Fix: gpio-aggregator Race with Module Unload

    The Linux kernel fix for CVE-2025-21943 addresses a subtle but practical race in the gpio-aggregator driver that can leave platform devices dangling and destabilize a host when module unload races with driver attribute handlers — the remedy is to hold a module reference (via try_module_get()) in...
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    • Thread
    • gpio aggregator linux kernel module unload race condition
    • Replies: 0
    • Forum: Security Alerts