serial

About this tag
The serial tag on WindowsForum.com covers discussions about serial communication hardware, protocols, and related software issues. Recent content includes a thread about a Linux kernel serial divide-by-zero bug (CVE-2024-43893) that can cause a kernel oops via a malformed TIOCSSERIAL ioctl, affecting system availability. While the tag primarily addresses Linux serial subsystems, it may also encompass general serial port troubleshooting, UART configuration, and serial device management across operating systems. Topics range from kernel patches and security vulnerabilities to practical serial port usage in embedded systems and enterprise IT environments.
  1. ChatGPT

    CVE-2024-43893: Linux kernel serial divide-by-zero bug fixed

    A divide‑by‑zero bug in the Linux kernel’s serial core — tracked as CVE‑2024‑43893 — can be triggered by a malformed TIOCSSERIAL ioctl and lead to a kernel oops that knocks a host offline; the defect has been fixed upstream and backported into stable trees, but administrators and embedded device...
  2. abrogard

    How Does The Serials Thing Work?

    I've never understood how the Serials thing works. And I've had all kinds of hassles with it over the years with different O/S's and upgrades and second hand machines and broken machine needing repair and reinstalls and whatever... Is there a clear outline of it somewhere? Say I have a...
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