CVE-2026-86563
Received
Received - Intake
Double-Free Memory Corruption in DPDK vhost
Vulnerability report for CVE-2026-86563, 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 double-offset bug in vhost log mapping calculation can lead to incorrect memory access.
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-131 | The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow. |
