Integer Underflow Affecting dpdk package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-CENTOS8-DPDK-21040002
  • published16 Oct 2026
  • disclosed14 Oct 2026

Introduced: 14 Oct 2026

NewCVE-2026-86566  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 dpdk.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dpdk package and not the dpdk package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK.

CVSS Base Scores

version 3.1