CVE-2026-86564

Publication date 8 September 2026

Last updated 16 September 2026


Ubuntu priority

Cvss 3 Severity Score

3.3 · Low

Score breakdown

Description

A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash.

Read the notes from the security team

Status

Package Ubuntu Release Status
dpdk 26.04 LTS resolute
Vulnerable, fix deferred
24.04 LTS noble
Vulnerable, fix deferred
22.04 LTS jammy
Vulnerable, fix deferred
20.04 LTS focal
Vulnerable, fix deferred
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
Vulnerable, fix deferred

Notes


mdeslaur

no fix available form dpdk developers as of 2026-09-11

Severity score breakdown

CVSS version: CVSS v3.0

Base score 3.3 · Low

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L


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