CVE-2026-62432

The Xen hypervisor is vulnerable to a race condition in the EVTCHNOP_expand_array hypercall. The hypercall fails to hold the correct lock when checking if FIFO event channels are enabled, which can cause a race with EVTCHNOP_reset and lead to a NULL pointer dereference . This issue may result in ...

Xen Denial of Service Vulnerability (CNVD-2020-53815)

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen versi...