CVE-2026-86562CWE-362

CVE-2026-86562

High · published October 14, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00146 · 3.5th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-10-14T21:20Z
References (3)
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]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:07Z
    Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)
    cvelistv5
  • 14 OCT 16:07Z
    Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)
    cvelistv5