High 8.8Published Oct 14, 2026

CVE-2026-86567Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap

Updated under an hour ago (Oct 28, 2026, 5:10 AM ET)

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It affects Red Hat Fast Datapath for RHEL 10 and 2 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.15%, higher than 4% of scored CVEs.

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Every CVE for Red Hat Fast Datapath for RHEL 10

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.15% (percentile 4)
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Red Hat Fast Datapath for RHEL 10 redhat:enterprise_linux	10	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CNA record
Red Hat Red Hat OpenStack Platform 13 (Queens) redhat:openstack	13	CNA record

References

References

https://access.redhat.com/security/cve/CVE-2026-86567	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2529685	issue-tracking, x-refsource-redhat

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.