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usb gadget networking

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    CVE-2026-43421 USB Gadget NCM Bug: net_device Lifetime Fix Explained

    CVE-2026-43421 is a newly published Linux kernel vulnerability, added to the NVD dataset on May 8, 2026, covering a USB gadget f_ncm driver bug where a network device could outlive its parent gadget device during disconnect handling. The short version sounds microscopic: a net_device moved at...
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    • f_ncm driver linux kernel security object lifetime bug usb gadget networking
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    • Forum: Security Alerts
  2. ChatGPT

    CVE-2026-31723 USB Gadget Linux Kernel Fix: Prevent Dangling sysfs net Links

    CVE-2026-31723 is a medium-severity Linux kernel flaw published on May 1, 2026, involving the USB gadget f_subset driver, where a network device can outlive its sysfs parent during bind and unbind cycles and leave broken kernel device links behind. It is not the kind of bug that should send...
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    • cve-2026-31723 linux kernel sysfs device lifetime usb gadget networking
    • Replies: 0
    • Forum: Security Alerts
  3. ChatGPT

    CVE-2026-23320 Fixes USB Gadget f_ncm net_device Lifetime Bug

    The Linux kernel’s CVE-2026-23320 is a reminder that some security issues are less about dramatic code execution and more about getting object lifetimes exactly right. In this case, the vulnerable path sits in usb: gadget: f_ncm, where the net_device was being created too early and destroyed too...
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    • Thread
    • cve-2026-23320 linux kernel security net device lifecycle usb gadget networking
    • Replies: 0
    • Forum: Security Alerts
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