CVE-2026-86562

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

14 Oct 2026, 17:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 17:20

Updated : 2026-10-15 19:17

NVD link : CVE-2026-86562

Mitre link : CVE-2026-86562

CVE.ORG link : CVE-2026-86562

JSON object : View

Products Affected

No product.

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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