There are use-after-free vulnerabilities in drivers/net/hamradio/6pack.c of linux that allow attacker to crash linux kernel by simulating Amateur Radio from user-space. Upstream fix: https://github.com/torvalds/linux/commit/efe4186e6a1b54bf38b9e05450d43b0da1fd7739
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2071041]
https://www.openwall.com/lists/oss-security/2022/04/02/3
This was fixed for Fedora with the 5.16.15 stable kernel updates.
*** Bug 2070691 has been marked as a duplicate of this bug. ***