CVE-2021-36144

7.5 highEPSS 1.0%

High (7.5) in linux acrn. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

7.5 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2021-07-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19