CVE-2026-86564
Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
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.
- Record
CVE-2026-86564- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-06
EUVDEUVD-2026-74296
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.
- Record
EUVD-2026-74296- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-06
GitHub AdvisoriesGHSA-v82g-5rfm-rj2j
A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the...
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.
- Record
GHSA-v82g-5rfm-rj2j- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-86564- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-06
OSVDEBIAN-CVE-2026-86564
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.
- Record
DEBIAN-CVE-2026-86564- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-07
OSVUBUNTU-CVE-2026-86564
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.
- Record
UBUNTU-CVE-2026-86564- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVAZL-100926 No score
CVE-2026-86564 affecting package dpdk for versions less than 23.11.8-1
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.
- Record
AZL-100926- Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dpdkAzure Linux:3 |
before 23.11.8-1 | 23.11.8-1 |
dpdkDebian:12 |
All versions, plus listed versions 22.11.1-222.11.11-0+deb12u122.11.2-122.11.2-222.11.2-2~deb12u1 Show 39 moreShow less22.11.2-322.11.3-122.11.3-1~deb12u122.11.3-222.11.4-1~deb12u122.11.5-1~deb12u122.11.6-1~deb12u122.11.7-1~deb12u122.11.8-1~deb12u122.11.9-1~deb12u123.11-123.11-1~exp123.11.1-123.11.1-223.11.2-123.11.2-1+exp123.11.2-1+exp223.11.2-1+exp323.11.2-1+exp423.11.2-223.11.2-324.11-124.11-224.11.1-124.11.2-124.11.2-224.11.3-124.11.3-1~deb13u124.11.3-224.11~rc2-124.11~rc2-224.11~rc3-124.11~rc4-125.11-125.11-225.11.1-125.11.2-125.11.3-125.11.4-1 |
None known |
dpdkDebian:13 |
before 24.11.8-0+deb13u1, plus listed versions 24.11.2-224.11.3-124.11.3-1~deb13u124.11.3-224.11.4-0+deb13u1 |
24.11.8-0+deb13u1 |
dpdkDebian:14 |
before 25.11.4-1, plus listed versions 24.11.2-224.11.3-124.11.3-1~deb13u124.11.3-225.11-1 Show 4 moreShow less25.11-225.11.1-125.11.2-125.11.3-1 |
25.11.4-1 |
dpdkUbuntu:16.04:LTS |
All versions, plus listed versions 2.0.0-0ubuntu12.0.0-0ubuntu22.0.0-0ubuntu32.2.0-0ubuntu12.2.0-0ubuntu3 Show 4 moreShow less2.2.0-0ubuntu52.2.0-0ubuntu62.2.0-0ubuntu72.2.0-0ubuntu8 |
None known |
dpdkUbuntu:18.04:LTS |
All versions, plus listed versions 17.05.2-0ubuntu117.05.2-0ubuntu217.11-317.11-417.11-5 Show 10 moreShow less17.11.1-617.11.2-1ubuntu0.117.11.3-3~ubuntu0.18.0417.11.5-0~ubuntu18.04.117.11.6-0~ubuntu18.04.117.11.8-0~ubuntu18.04.217.11.9-0ubuntu18.04.117.11.9-0ubuntu18.04.217.11.10-0ubuntu0.117.11.10-0ubuntu0.2 |
None known |
dpdkUbuntu:20.04:LTS |
All versions, plus listed versions 18.11.2-418.11.3-118.11.4-118.11.4-1ubuntu118.11.5-1 Show 13 moreShow less19.11-2ubuntu119.11-2ubuntu219.11.1-0ubuntu119.11.1-0ubuntu1.119.11.3-0ubuntu0.119.11.3-0ubuntu0.219.11.6-0ubuntu0.20.04.119.11.7-0ubuntu0.20.04.119.11.7-0ubuntu0.20.04.219.11.10-0ubuntu0.20.04.119.11.12-0ubuntu0.20.04.119.11.13-0ubuntu0.20.04.119.11.14-0ubuntu0.20.04.1 |
None known |
dpdkUbuntu:22.04:LTS |
All versions, plus listed versions 20.11.3-0ubuntu120.11.3-0ubuntu321.11-121.11-1build121.11.1-0ubuntu0.3 Show 7 moreShow less21.11.2-0ubuntu0.22.04.121.11.3-0ubuntu0.22.04.121.11.4-0ubuntu0.22.04.121.11.6-0ubuntu0.22.04.121.11.6-0ubuntu0.22.04.221.11.9-0ubuntu0.22.04.121.11.9-0ubuntu0.22.04.2 |
None known |
dpdkUbuntu:24.04:LTS |
All versions, plus listed versions 22.11.3-122.11.3-223.11-123.11-1build223.11-1build3 Show 4 moreShow less23.11-1ubuntu0.123.11.4-0ubuntu0.24.04.123.11.4-0ubuntu0.24.04.223.11.7-0ubuntu0.24.04.1 |
None known |
dpdkUbuntu:26.10 |
All versions, plus listed versions 25.11-225.11.2-125.11.2-1build125.11.3-1 |
None known |
dpdkUbuntu:26.04:LTS |
All versions, plus listed versions 24.11.3-124.11.3-225.11-225.11.3-0ubuntu0.26.04.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | OSV | |
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-86564 is a low vulnerability (CVSS 3.3) in Red Hat Fast Datapath For Rhel 10, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in dpdk 23.11.8-1.