This update for xen fixes the following issues: - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack - CVE-2021-3308: IRQ vector leak on x86 - CVE-2021-28687: HVM soft-reset crashes toolstack - L3: conring size for XEN HV"s with huge memory to small . - kdump of HVM fails, soft-reset not handled by libxl - openQA job causes libvirtd to dump core when running kdump inside domain . - Upstream bug fixes