Inadequate Security Support for Resource Sharing

CVE-2024-31146

What is CVE-2024-31146?

The vulnerability highlights security concerns in configurations where multiple devices share resources without adequate isolation. Specifically, the sharing of PCI Base Address Registers (BARs) between devices can lead to significant security implications for guest systems, as the inherent inability to secure these shared resources jeopardizes the integrity of both the guests and the host. Additionally, issues with INTx lines further complicate the potential for security breaches, making it crucial to recognize and rectify such configurations to maintain system security.

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References