Libvirt Security Notice: LSN-2021-0003
        ======================================

       Summary: Denial of service by malicious guest in the libxl
                driver
   Reported on: 20211123
  Published on: 20211202
      Fixed on: 20211202
   Reported by: Jim Fehlig <jfehlig@suse.com>
    Patched by: Jim Fehlig <jfehlig@suse.com>
      See also: CVE-2021-4147

Description
-----------

Possible deadlock when the guest is being shut down

Impact
------

A malicious guest could continuously reboot itself and cause
libvirtd on the host to deadlock or crash, resulting in a denial of
service condition.

Workaround
----------

None.

Affected product
----------------

        Name: libvirt
  Repository: https://gitlab.com/libvirt/libvirt

      Branch: master
    Fixed in: v8.0.0
    Fixed by: 5c5df5310f72be4878a71ace47074c54e0d1a27d