CVE-2026-23555

A flaw was found in Xenstored, the daemon responsible for the Xenstore key-value store in Xen virtual machines. An unprivileged guest can exploit this vulnerability by issuing a Xenstore command that accesses a node using an illegal node path. This can cause Xenstored to crash, leading to a Denia...

CVE-2026-23555

Any guest issuing a Xenstore command accessing a node using the illegal node path "/local/domain/", will crash xenstored due to a clobbered error indicator in xenstored when verifying the node path. Note that the crash is forced via a failing assert statement in xenstored. In case xenstored is...