CVE-2026-86562: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Red Hat Fast Datapath for RHEL 10
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.
CVSS v3.1
Score 7.8high
Affected software
Red Hat
Fast Datapath for RHEL 10
Red Hat
Fast Datapath for RHEL 10
Red Hat
Fast Datapath for RHEL 10
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Fast Datapath for RHEL 9
Red Hat
Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
Red Hat
Red Hat OpenShift Container Platform 4
Red Hat
Red Hat OpenShift Container Platform 4
Red Hat
Red Hat OpenShift Container Platform 4
Red Hat
Red Hat OpenStack Platform 13 (Queens)
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-09-08T02:56:17.270Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-86562","vendor":"Red Hat"}]
Threat ID: 6acfaf362cdf04f65694d3b6
Added to database: 10/14/2026, 16:35:02 UTC
Last updated: 10/14/2026, 16:35:02 UTC
Views: 1
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