CVE-2021-36144

HIGH

ACRN < 2.5 - Use-After-Free in Polling Timer Handler

Title source: llm
STIX 2.1

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 (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0096
EPSS Percentile 57.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-416
Status published
Products (1)
linux/acrn < 2.5
Published Jul 02, 2021
Tracked Since Feb 18, 2026