CVE-2026-86565
Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | red hat |
| Product | fast datapath for rhel 10 |
| Published | Oct 14, 2026 |
| Last Updated | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Red Hat / Fast Datapath for RHEL 10
All versions affected Red Hat / Fast Datapath for RHEL 10
All versions affected Red Hat / Fast Datapath for RHEL 10
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 8
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Fast Datapath for RHEL 9
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected Red Hat / Red Hat OpenStack Platform 13 (Queens)
All versions affected