The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1992781]
This was fixed for Fedora with the 5.12.13 stable kernel updates.