CVE-2026-86567

HIGH 8.8

Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-416
Vendor	red hat
Product	fast datapath for rhel 10
Published	Oct 14, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 10

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected

Red Hat / Fast Datapath for RHEL 8

All versions affected