Description (CNA)
A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / Fast Datapath for RHEL 10 | affected |
| Red Hat / Fast Datapath for RHEL 10 | affected |
| Red Hat / Fast Datapath for RHEL 10 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 8 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Fast Datapath for RHEL 9 | affected |
| Red Hat / Red Hat Enterprise Linux 10 | affected |
| Red Hat / Red Hat Enterprise Linux 8 | affected |
| Red Hat / Red Hat Enterprise Linux 9 | affected |
| Red Hat / Red Hat OpenShift Container Platform 4 | affected |
| Red Hat / Red Hat OpenShift Container Platform 4 | affected |
| Red Hat / Red Hat OpenShift Container Platform 4 | affected |
| Red Hat / Red Hat OpenStack Platform 13 (Queens) | affected |
CWE
CWE-191
References
- https://access.redhat.com/security/cve/CVE-2026-86566
- https://bugzilla.redhat.com/show_bug.cgi?id=2529684
ADP enrichment
No English description supplied.
No references supplied.