CVE-2026-86846

MediumCVSS 6.5/10Last modified Nov 11, 2026

Description

A flaw was found in DPDK lib/vhost vhost-crypto. A guest can supply an avail-ring descriptor index that is used without bounds checking, causing an out-of-bounds write in the host vhost-crypto backend.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 9—
Red HatFast Datapath for RHEL 10—
Red HatFast Datapath for RHEL 10—
Red HatFast Datapath for RHEL 10—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 8—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatFast Datapath for RHEL 9—
Red HatRed Hat OpenShift Container Platform 4—
Red HatRed Hat OpenShift Container Platform 4—
Red HatRed Hat OpenShift Container Platform 4—
Red HatRed Hat OpenStack Platform 13 (Queens)—

References

Timeline

Published
Oct 14, 2026
Last modified
Nov 11, 2026
NVD status
Awaiting Analysis

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CVE-2026-86846: Medium severity, CVSS 6.5 | Vulnix