This update for xen fixes the following issues: * CVE-2023-34323: Fixed a potential crash in C Xenstored due to an incorrect assertion . * CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems with IOMMU hardware and PCI passthrough enabled . * CVE-2023-34325: Fixed multiple parsing issues in libfsimage . * CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86 debugging functionality for guests . ## Special Instructions and Notes: * Please reboot the system after installing this update.