CVE-2021-36147: Linux Acrn

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq->used.

Affected products

• Linux Acrn: before 2.5 (fixed in 2.5)

Published 2021-07-02. Last modified 2026-06-17.