Description
A flaw was found in the DPDK nfp vDPA driver. Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption.
Published: 2026-10-14
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Workaround

Avoid using the nfp vDPA driver in production until patched. Do not attach untrusted guests to an NFP VF running with class=vdpa.

Tracking

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Advisories

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History

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

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 14 Oct 2026 18:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in the DPDK nfp vDPA driver. Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption.
Title Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Redhat openstack
Weaknesses CWE-787
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': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}


Subscriptions

Redhat Enterprise Linux Openshift Openstack
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-14T17:52:14.805Z

Reserved: 2026-09-08T15:39:19.083Z

Link: CVE-2026-86856

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T18:19:19.580

Modified: 2026-10-14T20:13:37.910

Link: CVE-2026-86856

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-14T15:02:25Z

Links: CVE-2026-86856 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses