CVE-2026-43130

Medium

Published: —Translated: 17/06/2026(UTC)NVD NIST

Summary

A vulnerability in the Linux kernel related to the IOMMU mechanism has been resolved, concerning flushing dev-IOTLB only when the PCIe device is accessible in scalable mode.

Risk Assessment

The vulnerability could lead to improper memory management in the case of disconnected PCIe devices, potentially affecting system stability.

Recommendation

It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and enhance system security.

Original NVD description (English source)

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode Commit 4fc82cd907ac ("iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected") relies on pci_dev_is_disconnected() to skip ATS