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VULNERABILITIES

CVE-2026-86562 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:94629 [email protected]
https://access.redhat.com/errata/RHSA-2026:94630 [email protected]
https://access.redhat.com/security/cve/CVE-2026-86562 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2529667 [email protected]
https://git.dpdk.org/dpdk/commit/?id=6ec17781346e0fe4b566b6bf8f79be71f87c10e4 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-86562
NVD Published Date:
Oct 14, 2026
NVD Last Modified:
Nov 5, 2026
Source:
[email protected]
CVE-2026-86562 Details - Not Deferred