CVE-2026-86567

high

A flaw was found in DPDK lib/vhost.

A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap.

CVSS

8.8

8.8 (CVSS v3.1)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (secalert@redhat.com)

Timeline (UTC)

Published: 2026-10-14 18:19

Modified: 2026-10-15 16:18

NVD status: Awaiting Analysis

Last synced 1 day ago

Verified against the source API 2026-10-27 07:02 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

No vendor advisory or patch reference tagged by NVD. Check the references below.

NVD CVE API 2.0 — fetched 2026-10-27 07:02 UTC · record ↗