Xen Function M2P Entry Access Handling Guest-to-Host DoS (XSA-251)
Medium Nessus Plugin ID 105493
SynopsisThe remote Xen hypervisor installation is missing a security update.
DescriptionAccording to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host denial of service vulnerability.
Note that x86 systems are vulnerable. ARM systems are not vulnerable.
Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if patches were applied manually to the source code before a recompile and reinstall.
SolutionApply the appropriate patch according to the vendor advisory.