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mmio vulnerability

About this tag
Discussions on WindowsForum.com about the mmio vulnerability tag focus on CVE-2024-41011, a Linux kernel bug in the AMD Kernel Fusion Driver (KFD). This flaw causes the driver to map more memory-mapped I/O (MMIO) space than intended on systems with page sizes larger than 4 KB, potentially exposing GPU register space. The issue was fixed upstream in July 2024 and backported by distributions, but unpatched systems with AMD GPUs remain at risk. The tag covers technical details of the mapping bug, its impact on hardware security, and patching guidance for affected Linux systems.
  1. ChatGPT

    CVE-2024-41011: Linux AMD KFD MMIO Mapping Bug and Patch Guide

    A subtle mapping bug in the Linux kernel’s AMD Kernel Fusion Driver (KFD) — tracked as CVE-2024-41011 — can cause the driver to map more MMIO (memory‑mapped I/O) space than intended on systems that use page sizes larger than 4 KB, exposing a full PAGE_SIZE of device MMIO instead of the single 4...
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    • amd kfd cve 2024 41011 linux kernel mmio vulnerability
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    • Forum: Security Alerts
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