CVE-2026-86563

High

Description

A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.

SeverityHigh
CVSS7.8
Exploit probability—
ProductRed Hat Enterprise Linux 10
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-131CWE-131

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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CVE-2026-86563 · Red Hat Enterprise Linux 10 · Dark Radar