PT-2021-21134 · Acrn · Acrn

Published 2021-07-02 · Updated 2021-07-08 · CVE-2021-36144

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: ACRN versions prior to 2.5

Description: The issue is related to a use-after-free condition in the polling timer handler for a freed virtio device, specifically in the devicemodel/hw/pci/virtio/*.c files.

Recommendations: For versions prior to 2.5, update to version 2.5 or later to resolve the issue.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-36144

Affected Products

Acrn

References · 5

• https://github.com/projectacrn/acrn-hypervisor/pull/6268/commits/dd88504804e186029f845a166dc5c31695e2cca2 · Patch
• https://osv.dev/vulnerability/CVE-2021-36144 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36144 · Security Note
• https://t.me/cvenotify/17037 · Telegram Post
• https://t.me/cvenotify/17030 · Telegram Post