x86: Native Branch History Injection [XSA-456, CVE-2024-2201] update to xen 4.18.2, remove patches now included upstream x86 HVM hypercalls may trigger Xen bug check [XSA-454, CVE-2023-46842] x86: Incorrect logic for BTC/SRSO mitigations [XSA-455, CVE-2024-31142]

Source: Fedora 40: xen 2024-a46df5ba2f Security Advisory Updates