CVE-2021-36144

high

Description

The polling timer handler in ACRN before 2.5 has a use-after-free for a freed virtio device, related to devicemodel/hw/pci/virtio/*.c.

References

https://github.com/projectacrn/acrn-hypervisor/pull/6268/commits/dd88504804e186029f845a166dc5c31695e2cca2

Details

Source: Mitre, NVD

Published: 2021-07-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00393