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.

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Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
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threat_severity

Important


Wed, 14 Oct 2026 16:30:00 +0000

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Description 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.
Title Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Redhat openstack
Weaknesses CWE-362
CPEs cpe:/a:redhat:openshift:4
cpe:/a:redhat:openstack:13
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:10::fastdatapath
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:8::fastdatapath
cpe:/o:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:9::fastdatapath
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
Redhat openstack
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-14T16:07:58.562Z

Reserved: 2026-09-08T02:56:17.270Z

Link: CVE-2026-86562

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:20:05.420

Modified: 2026-10-15T16:33:26.290

Link: CVE-2026-86562

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-14T15:00:19Z

Links: CVE-2026-86562 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T00:30:07Z

Weaknesses