Xen IRQ Vector Leak DoS (XSA-360)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service DoS vulnerability. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X...

Fedora 33 : xen (2021-7785f6c616)

The remote Fedora 33 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2021-7785f6c616 advisory. - IRQ vector leak on x86 XSA-360 FEDORA-2021-7785f6c616 Note that Nessus has not tested for this issue but has instead relied only on the application's...