3.3
Low
CVE-2026-86564 Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler
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.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LExploitable with local access to the machine, with an ordinary account and without any user action; the impact on data or service is limited.
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Fast Datapath for RHEL 10 | Versions not published | |
| Fast Datapath for RHEL 8 | Versions not published | |
| Fast Datapath for RHEL 9 | Versions not published | |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published |
Other CVEs of Fast Datapath for RHEL 10
The 18 CVEs of Fast Datapath for RHEL 10 →
CVE-2026-86849
Dpdk: dpdk: integer overflow combined with missing validation leads to host buffer overflow in vhost-crypto
6.5
Medium
CVE-2026-86856
Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver
6.5
Medium
CVE-2026-86847
Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup
6.5
Medium
CVE-2026-86846
Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto
6.5
Medium