CVE-2014-5147: Xen 4.4.x, when running a 64-bit kernel on an ARM system, does not properly handle traps from the guest dom...

Security readout for executives and security teams

This flaw affects Xen 4.4.x in a narrow ARM configuration. A user inside a guest virtual machine could crash the host, disrupting other workloads on that server. The source bundle does not show evidence of active exploitation or a published severity score. Exposure is most likely in environments running Xen 4.4.x on 64-bit ARM systems with guest domains where users can run 32-bit processes. Non-ARM Xen deployments, non-64-bit ARM kernels, and non-Xen platforms are not identified as affected in the bundle. Treat as high priority only if your organization operates Xen 4.4.x on 64-bit ARM. For exposed shared virtualization hosts, remediation matters because one guest user could disrupt the host and neighboring workloads. If that platform is absent, business risk is likely low. Mitigation focus: Check Xen advisory XSA-102 and vendor packaging guidance for the supported fix.; Inventory Xen hosts for version 4.4.x on 64-bit ARM systems.; Prioritize remediation for shared, production, or externally tenant-accessible virtualization hosts..

Prepared

Jun 14, 2026, 07:14 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.