Out-of-bounds Read in Red Hat Fast Datapath For Rhel 10

CVE-2026-86564

A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86564?
CVE-2026-86564 is a low-severity vulnerability in Red Hat Fast Datapath For Rhel 10, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2026-09-08.
How severe is CVE-2026-86564?
Low severity. CVSS v3 base score is 3.3 out of 10.