Some OSes (such as Linux, FreeBSD, NetBSD) are processing watch events
using a single thread. If the events are received faster than the thread
is able to handle, they will get queued.
As the queue is unbound, a guest may be able to trigger a OOM in
Created xen tracking bugs for this issue:
Affects: fedora-all [bug 1908084]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
This was fixed for Fedora with the 5.10.4 stable kernel updates.