Incorrect MMIO Range Marking in Linux Kernel Power Hypervisor
CVE-2024-57999

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 27 February 2025

What is CVE-2024-57999?

A vulnerability in the Linux kernel's Power Hypervisor allows for incorrect marking of MMIO ranges within the Dynamic DMA Window (DDW), which exceeds the 32-bit addressing limit. This mishandling results in the potential allocation of an MMIO window that can intersect with the DDW range, leading to system instability during the boot process. The code fails due to data type discrepancies and improper shifts, causing unintended kernel access errors and crashes.

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