CVE-2026-86562

HIGHCVSS 7.8

Description

A flaw was found in DPDK lib/vhost. A TOCTOU double-fetch of control-queue descriptors allows a heap buffer overflow with attacker-controlled content in the VDUSE control-queue handler.

Timeline

Published:October 14th, 2026 5:20 PM

Last modified:October 15th, 2026 7:17 PM

CVSS Scoring

CVSS v3: 7.8 (HIGH)

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

Weaknesses (CWE)

CWE-362

References & Reports

Advisories, patches, and third-party reports

https://access.redhat.com/security/cve/CVE-2026-86562
https://bugzilla.redhat.com/show_bug.cgi?id=2529667
https://git.dpdk.org/dpdk/commit/?id=6ec17781346e0fe4b566b6bf8f79be71f87c10e4

Source: NIST NVD · Data may lag official sources by up to one minute