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CVE-2025-21828 – Linux Kernel wifi mac80211 Double Free Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21828 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

    Mar. 06, 2025

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

    wifi: mac80211: don’t flush non-uploaded STAs

    If STA state is pre-moved to AUTHORIZED (such as in IBSS
    scenarios) and insertion fails, the station is freed.
    In this case, the driver never knew about the station,
    so trying to flush it is unexpected and may crash.

    Check if the sta was uploaded to the driver before and
    fix this.
    Added Reference https://git.kernel.org/stable/c/9efb5531271fa7ebae993b2a33a705d9947c7ce6
    Added Reference https://git.kernel.org/stable/c/aa3ce3f8fafa0b8fb062f28024855ea8cb3f3450
    Added Reference https://git.kernel.org/stable/c/cd10b7fcb95a6a86c67adc54304c59a578ab16af
    Added Reference https://git.kernel.org/stable/c/cf21ef3d430847ba864bbc9b2774fffcc03ce321
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