A flaw was found in the Linux kernel. There is an address leakage in BPF atomic fetch. This allows a local user with the ability to insert EBPF rules to be able to gather additional information for further attacks on the kernel.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 2041548]
This was fixed for Fedora with the 5.15.11 stable kernel updates.