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.
DPDK是DPDK组织开源的一套在用户态实现高速网络数据包处理与转发的开发框架。 DPDK存在缓冲区错误漏洞，该漏洞源于lib/vhost中virtio-net控制队列处理程序在读取command_data前缺少长度验证，可能导致越界读取和主机进程崩溃。
Possible ATT&CK Techniques 2 AI
T1480 · Execution Guardrails T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 23
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Fast Datapath for RHEL 10 | any |
affected |
any |
affected | ||
| Red Hat | Fast Datapath for RHEL 8 | any |
affected |
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
| Red Hat | Fast Datapath for RHEL 9 | any |
affected |
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
| Red Hat | Red Hat Enterprise Linux 10 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 8 | any |
affected |
| Red Hat | Red Hat Enterprise Linux 9 | any |
affected |
| Red Hat | Red Hat OpenShift Container Platform 4 | any |
affected |
any |
affected | ||
any |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-86564
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
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
Vulnerability Title
DPDK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DPDK是DPDK组织开源的一套在用户态实现高速网络数据包处理与转发的开发框架。 DPDK存在缓冲区错误漏洞，该漏洞源于lib/vhost中virtio-net控制队列处理程序在读取command_data前缺少长度验证，可能导致越界读取和主机进程崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Fast Datapath for RHEL 10 | - |
cpe:/o:redhat:enterprise_linux:10::fastdatapath
|
|
| 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
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-86564
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-86564 (2)
Same Patch Batch · Red Hat · 2026-09-08 · 7 CVEs total
| CVE-2026-78234 | 9.9 CRITICAL | Hawtio-operator: hawtio-operator: service-ca signing oracle allows arbitrary-cn certificat |
| 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 product: Fast Datapath for RHEL 10
-
CVE-2026-86849
Dpdk: dpdk: integer overflow combined with missing validatio -
CVE-2026-86856
Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa drive -
CVE-2026-86847
Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto -
CVE-2026-86846
Dpdk: dpdk: guest can trigger out-of-bounds write by control -
CVE-2026-86845
Dpdk: dpdk: guest-triggered use-after-free and type confusio
Same vendor: Red Hat
-
CVE-2026-115486
Open-iscsi: open-iscsi: ipv6 neighbor discovery missing opti -
CVE-2026-115485
Open-iscsi: open-iscsi: dhcpv6 vendor option strlen heap out -
CVE-2026-115484
Open-iscsi: open-iscsi: dhcpv4 option parser heap out-of-bou -
CVE-2026-115449
Libslirp: libslirp: icmp echo reply length desynchronization -
CVE-2026-115221
Ipa: freeipa: freeipa uses subject cn as proof of certificat
Same weakness: CWE-125
-
CVE-2026-115801
Kakao khaiii JSON Config File Linear.cpp open out-of-bounds -
CVE-2026-53920
odhcpd DHCPv6 Short IA_NA/IA_PD Body Stack Disclosure -
CVE-2026-115486
Open-iscsi: open-iscsi: ipv6 neighbor discovery missing opti -
CVE-2026-115485
Open-iscsi: open-iscsi: dhcpv6 vendor option strlen heap out -
CVE-2026-115484
Open-iscsi: open-iscsi: dhcpv4 option parser heap out-of-bou