CVE-2026-86856
Fixed in a distro release EPSS <1%CVSS 6.5
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.
Products: Red Hat Fast Datapath for RHEL 10, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, Red Hat OpenStack Platform 13 (Queens)
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | dpdk | no fix |
| Debian 13 | dpdk | no fix |
| Debian 14 | dpdk | 25.11.4-1 |
| Ubuntu 16.04 LTS | dpdk | no fix |
| Ubuntu 18.04 LTS | dpdk | no fix |
| Ubuntu 20.04 LTS | dpdk | no fix |
| Ubuntu 22.04 LTS | dpdk | no fix |
| Ubuntu 24.04 LTS | dpdk | no fix |
| Ubuntu 26.04 LTS | dpdk | no fix |
| Ubuntu 26.10 | dpdk | no fix |
| openSUSE Tumbleweed | dpdk | 25.11.4-1.1 |