CVE-2026-86567CWE-416

CVE-2026-86567

High · published October 14, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00142 · 3.2th percentile
Weakness
CWE-416 · Use After Free
Published
2026-10-14T22:19Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-86567 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2529685 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 17:50Z
    Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap
    cvelistv5
  • 14 OCT 17:50Z
    Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap
    cvelistv5