CVE-2026-86562Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)
Updated under an hour ago ()
Does this affect you?
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 3% of scored CVEs.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-362
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.15% (percentile 3)
- Assigned by
- redhat
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
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
- https://access.redhat.com/security/cve/CVE-2026-86562vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2529667issue-tracking, x-refsource-redhat
- https://git.dpdk.org/dpdk/commit/?id=6ec17781346e0fe4b566b6bf8f79be71f87c10e4
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.