CVE-2026-86562
Received
Received - Intake
Heap Buffer Overflow in DPDK VDUSE Control-Queue
Vulnerability report for CVE-2026-86562, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-14
Last updated on: 2026-10-14
Assigner: redhat-SADP
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Red | Hat | Fast Datapath for RHEL 10 * |
| Red | Hat | Fast Datapath for RHEL 8 * |
| Red | Hat | Fast Datapath for RHEL 9 * |
| Red | Hat | Red Hat Enterprise Linux 10 * |
| Red | Hat | Red Hat Enterprise Linux 8 * |
| Red | Hat | Red Hat Enterprise Linux 9 * |
| Red | Hat | Red Hat OpenShift Container Platform 4 * |
| Red | Hat | Red Hat OpenStack Platform 13 (Queens) * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
