CVE-2020-13754: Canonical Ubuntu Linux

Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days.

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Debian Debian Linux: version 9.0 only; version 10.0 only
• Qemu Qemu: up to and including 5.0.1

Published 2020-06-02. Last modified 2026-06-17.