CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HXenstore, to have an up-to-date picture of the entire system, wants to know of domains appearing and disappearing. To make this more robust, a new XEN_DOMCTL_get_domain_state was introduced. The management of the bitmap underlying that operation is tied into the binding of the VIRQ_DOM_EXC virtual IRQ. Unfortunately an error path there would tear down the bitmap even in cases when it wasn't set up. Unprivileged domains can trigger that error path.
Multiple vulnerabilities have been discovered in Xen virtualization software. These vulnerabilities allow for potential data compromise, denial of service, and privilege escalation. The affected Xen versions are all with…
Multiple vulnerabilities have been discovered in Citrix XenServer, allowing for remote code execution and denial of service attacks. These vulnerabilities exist in versions 8.4 and 9 without the latest security patch. Ci…