This update for xen fixes the following issues:
- CVE-2024-31145: Fixed error handling in x86 IOMMU identity mapping (XSA-460, bsc#1228574)
- CVE-2024-31146: Fixed PCI device pass-through with shared resources (XSA-461, bsc#1228575)
Other fixes:
- Update to Xen 4.18.3 security bug fix release (bsc#1027519)