CVE-2026-86566
MEDIUM
CVSS 6.5
Published: 2026-10-14
Modified: 2026-10-14
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Description
A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK.
Quick Facts
| CVE ID | CVE-2026-86566 |
| CVSS Score | 6.5 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| Published | 2026-10-14 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |