CVE-2026-86856: Red Hat Fast Datapath For Rhel 10

Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• 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

Published 2026-10-14. Last modified 2026-10-15.