kernel: ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context

In the Linux kernel, the following vulnerability has been resolved: ACPI: PRM: Find EFIMEMORYRUNTIME block for PRM handler and context PRMT needs to find the correct type of block to translate the PA-VA mapping for EFI runtime services. The issue arises because the PRMT is finding a block of type...