The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 2010971]
This was fixed for Fedora with the 5.13.13 stable kernel update.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):