btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1992746]
This was fixed for Fedora with the 5.13.4 stable kernel updates.
Setting hosted services 'notaffected' per kernel analysis.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):