CVE-2026-86565: Out-of-bounds Write in Red Hat Fast Datapath for RHEL 10
Description
A flaw was found in DPDK lib/vhost. A guest can desynchronize virtqueue size from inflight descriptor table size, causing an out-of-bounds write in the host vhost process.
CVSS v3.1
Score 8.2high
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
- 2026-09-08T02:56:38.874Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-86565","vendor":"Red Hat"}]
Threat ID: 6acfaf362cdf04f65694d3b8
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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