The vulnerabilities of components such as blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls in the Xen hypervisor allow a malicious actor to cause service failures.

The vulnerabilities of the components blkfront, netfront, scsifront, usbfront, dmabuf, xenbus, 9p, kbdfront, and pvcalls in the Xen hypervisor are caused by synchronization errors when using a shared resource. Exploiting these vulnerabilities can allow attackers to cause service failures...