Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
Priority LOW 15CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Fast Datapath for RHEL 10 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 10 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 8 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Fast Datapath for RHEL 9 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
- Fast Datapath for RHEL 10 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 10 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Fast Datapath for RHEL 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:enterprise_linux:10::fastdatapath | 10 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:8::fastdatapath | 8 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux:9::fastdatapath | 9 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:10 | 10 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8 | 8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9 | 9 | — | Red Hat |
| cpe:/a:redhat:openshift:4 | 4 | — | Red Hat |
- cpe:/o:redhat:enterprise_linux:10::fastdatapath Versions 10 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:8::fastdatapath Versions 8 — ·Red Hat
- cpe:/o:redhat:enterprise_linux:9::fastdatapath Versions 9 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:10 Versions 10 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8 Versions 8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9 Versions 9 — ·Red Hat
- cpe:/a:redhat:openshift:4 Versions 4 — ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Fast Datapath for RHEL 10 | Affected | No fix yet: Fix deferred |
| Fast Datapath for RHEL 8 | Affected | No fix yet: Fix deferred |
| Fast Datapath for RHEL 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86564
- 2026-10-03 Alias added: GHSA-v82g-5rfm-rj2j
References
More Red Hat vulnerabilities
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- TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-86564 · CVE Program
- CVE-2026-86564 · NVD
- FIRST EPSS
- GHSA-v82g-5rfm-rj2j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-86564 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences