CVE-2020-10726 Explained : Impact and Mitigation

A vulnerability found in DPDK versions 19.11 and above allows a malicious container with direct access to the vhost-user socket to cause a denial of service through resource leaks.

Understanding CVE-2020-10726

This CVE involves a vulnerability in DPDK versions 19.11 and above that can be exploited by a malicious container to trigger a denial of service attack.

What is CVE-2020-10726?

CVE-2020-10726 is a vulnerability in DPDK versions 19.11 and above that enables a malicious container to exploit the vhost-user socket, leading to resource leaks and potentially causing a denial of service.

The Impact of CVE-2020-10726

The vulnerability poses a medium severity risk with a CVSS base score of 6.0. It can result in a denial of service by causing resource leaks in file descriptors and virtual memory.

Technical Details of CVE-2020-10726

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows a malicious container to continuously send VHOST_USER_GET_INFLIGHT_FD messages through direct access to the vhost-user socket, leading to resource leaks.

Affected Systems and Versions

Product: DPDK
Vendor: [UNKNOWN]
Versions: 20.02.1, 19.11.2

Exploitation Mechanism

The exploit involves a malicious container gaining direct access to the vhost-user socket and sending VHOST_USER_GET_INFLIGHT_FD messages continuously.

Mitigation and Prevention

To address CVE-2020-10726, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches promptly
Restrict container access to critical system resources
Monitor and analyze container behavior for unusual activities

Long-Term Security Practices

Regularly update and patch DPDK software
Implement container security best practices

Patching and Updates

Stay informed about security advisories and updates from DPDK
Apply patches and updates as soon as they are released