CVE-2026-86564— Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
Quick assessment
Affected
Red Hat Fast Datapath for RHEL 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 DPDK 的 lib/vhost 组件中发现了一个缺陷：在 virtio-net 控制队列处理程序中，读取 之前缺少对长度的校验，这可能导致越界读取，进而引发宿主进程崩溃。
Possible ATT&CK Techniques 2 AI
T1480 · Execution Guardrails T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-86564
Vulnerability Information
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Vulnerability Title
Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Fast Datapath for RHEL 10 | - |
cpe:/o:redhat:enterprise_linux:10::fastdatapath
|
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| Red Hat | Fast Datapath for RHEL 10 | - |
cpe:/o:redhat:enterprise_linux:10::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 8 | - |
cpe:/o:redhat:enterprise_linux:8::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Fast Datapath for RHEL 9 | - |
cpe:/o:redhat:enterprise_linux:9::fastdatapath
|
|
| Red Hat | Red Hat Enterprise Linux 10 | - |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 | - |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 | - |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 | - |
cpe:/a:redhat:openshift:4
|
|
II. Public POCs for CVE-2026-86564
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-86564 (1)
Other References for CVE-2026-86564 (1)
Same Patch Batch · Red Hat · 2026-09-08 · 8 CVEs total
| CVE-2026-78234 | 9.9 CRITICAL | Hawtio-operator: hawtio-operator: service-ca signing oracle allows arbitrary-cn certificat |
| CVE-2026-80219 | 8.7 HIGH | Hawtio-operator: hawtio-operator: oauthclient created with grantmethod auto and no secret |
| CVE-2026-74860 | 8.5 HIGH | Libxml2: double-free/uaf in libxml2 python bindings |
| CVE-2026-77968 | 8.2 HIGH | Hawtio-operator: hawtio-operator: cluster-wide secrets read/write granted to operator serv |
| CVE-2026-76561 | 7.2 HIGH | Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile con |
| CVE-2026-74859 | 6.8 MEDIUM | Gnome-tweaks: path traversal in theme installer |
| CVE-2026-18090 | 6.1 MEDIUM | Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompress() via crafted icns rle block |
IV. Related Vulnerabilities
Same vendor: Red Hat
-
CVE-2026-18090
Gdk-pixbuf: gdk-pixbuf: heap out-of-bounds read in uncompres -
CVE-2026-80219
Hawtio-operator: hawtio-operator: oauthclient created with g -
CVE-2026-78234
Hawtio-operator: hawtio-operator: service-ca signing oracle -
CVE-2026-77968
Hawtio-operator: hawtio-operator: cluster-wide secrets read/ -
CVE-2026-74860
Libxml2: double-free/uaf in libxml2 python bindings
V. Comments for CVE-2026-86564
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