This update for xen fixes the following issues:

- CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)
- CVE-2021-28687: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)
- L3: conring size for XEN HV's with huge memory to small. Inital Xen logs cut (bsc#1177204)
- L3: XEN domU crashed on resume when using the xl unpause command (bsc#1182576)
- L3: xen: no needsreboot flag set (bsc#1180690)
- kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)
- openQA job causes libvirtd to dump core when running kdump inside domain (bsc#1181989)
- Upstream bug fixes (bsc#1027519)

This update was imported from the SUSE:SLE-15-SP2:Update update project.