Vulnerability in virtio_console package: Assure used length from device is limited

Kernel Updated 02 Oct 2025

Summary

03/08/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001264: virtio_console: Assure used length from device is limited. Affects Kernel versions < f6ec306b93dc600a0ab3bb2693568ef1cc5f7f7a. No fix is published. How to fix ↓

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Background

The virtio_console package is a component of the Linux Kernel ecosystem. It provides a virtual console interface for communication between the host and guest systems in a virtualized environment. This package allows the exchange of data and commands between the host and guest systems. However, a vulnerability has been identified in the package that could potentially lead to security issues.

Vulnerability Detail

The vulnerability in the virtio_console package arises from the lack of limitation on the used length of data received from the device. This could allow an attacker to send excessive data, leading to a buffer overflow or other memory-related issues. Exploiting this vulnerability could result in arbitrary code execution or denial of service attacks. The vulnerability has been fixed in Linux Kernel version v5.10.52 by commit f6ec306b93dc600a0ab3bb2693568ef1cc5f7f7a.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The vulnerability in the virtio_console package can be mitigated by updating the Linux Kernel to version v5.10.52 or later. This will ensure that the used length of data received from the device is properly limited, preventing potential security issues. For further support on vulnerability remediation, please contact DevNack.com.

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