VMX VMM Limit Restoration Issue

CVE-2024-11149

What is CVE-2024-11149?

OpenBSD version 7.4 prior to errata 014 contains a vulnerability in its virtual machine monitor (vmm) that fails to correctly restore General Descriptor Table Register (GDTR) limits on Intel VMX CPUs. This mismanagement can lead to improper memory handling within virtual machines, potentially allowing for unforeseen interactions or security lapses. Users of OpenBSD should apply the pertinent patches to safeguard their systems from this vulnerability.

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