CVE-2026-86567

High

Description

A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap.

SeverityHigh
CVSS8.8
Exploit probability—
ProductRed Hat Enterprise Linux 10
PublishedOct 14, 2026
First seenOct 14, 2026

How to fix

Affected products

ProductAffected versionsFixed in
Red Hat Red Hat Enterprise Linux 10No range specified—
enterprise_linux 9No range specified—
enterprise_linux 10No range specified—
enterprise_linux 8No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat OpenShift Container Platform 4No range specified—
Red Hat Red Hat OpenStack Platform 13 (Queens)No range specified—

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