VULNERABILITY INTELLIGENCE

CVE-2023-46839

CVSS score5.3 MEDIUM

EPSS probability0.31%

CISA KEVNot currently listed

Published2024-03-20

Last modified2026-06-17

Description

PCI devices can make use of a functionality called phantom functions, that when enabled allows the device to generate requests using the IDs of functions that are otherwise unpopulated. This allows a device to extend the number of outstanding requests. Such phantom functions need an IOMMU context …