CVE-2021-3748 Detail

Awaiting Analysis


This vulnerability is currently awaiting analysis.

Description

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor’s address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free Red Hat, Inc.  

Change History

0 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3748
NVD Published Date:
03/23/2022
NVD Last Modified:
03/24/2022
Source:
Red Hat, Inc.