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CVE-2025-37796 – “Linux Kernel WiFi at76c50x Use After Free”

The following table lists the changes that have been made to the
CVE-2025-37796 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved:

    wifi: at76c50x: fix use after free access in at76_disconnect

    The memory pointed to by priv is freed at the end of at76_delete_device
    function (using ieee80211_free_hw). But the code then accesses the udev
    field of the freed object to put the USB device. This may also lead to a
    memory leak of the usb device. Fix this by using udev from interface.
    Added Reference https://git.kernel.org/stable/c/152721cbae42713ecfbca6847e0f102ee6b19546
    Added Reference https://git.kernel.org/stable/c/27c7e63b3cb1a20bb78ed4a36c561ea4579fd7da
    Added Reference https://git.kernel.org/stable/c/5e7df74745700f059dc117a620e566964a2e8f2c
    Added Reference https://git.kernel.org/stable/c/7ca513631fa6ad3011b8b9197cdde0f351103704
    Added Reference https://git.kernel.org/stable/c/a9682bfef2cf3802515a902e964d774e137be1b9
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