x86/hyperv: fix kexec crash due to VP assist page corruption

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PT-2024-32258

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.51/6.10.10 Description The issue is related to a kexec crash due to VP assist page corruption in the Linux kernel. This occurs when the hypervisor corrupts the memory region of the old VP assist page, causing...