Kernel Vulnerability in Linux Affecting XenServer 6.1 by Citrix

CVE-2025-38046

What is CVE-2025-38046?

A compatibility issue has been identified in the Linux kernel regarding XenServer 6.1. Specifically, when running on a Windows machine, a platform device is utilized with a different ID than expected. This leads to initialization failures and potential system crashes, particularly when encountering an unrecognized Xen platform device during operation. The related system logs indicate errors stemming from the grant tables, which are critical for managing resource sharing between domains. Therefore, systems relying on this configuration need attention to address these initialization problems.

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