CVE-2026-86562

HIGH 7.8

Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in DPDK lib/vhost. A TOCTOU double-fetch of control-queue descriptors allows a heap buffer overflow with attacker-controlled content in the VDUSE control-queue handler.

CWE	CWE-362
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:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

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