Red HatCVE-2026-86564
Red Hat DPDK lib/vhost. Missing length validation: out-of-bounds read
Low3.3CVE-2026-86564 · Published Sep 8, 2026 · updated Sep 9, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Fast Datapath for RHEL 10 Product | all versions | No fix yet |
| all versions | No fix yet | |
| Fast Datapath for RHEL 8 Product | all versions | No fix yet |
| all versions | No fix yet | |
| all versions | No fix yet | |
| all versions | No fix yet | |
| all versions | No fix yet | |
| all versions | No fix yet | |
| all versions | No fix yet | |
| Fast Datapath for RHEL 9 Product | all versions | No fix yet |
| all versions | No fix yet | |
| all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-125
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 8 | Red Hat gdk-pixbuf. This vulnerability: out-of-bounds read | Medium6.1 | No fix yet |
| Sep 8 | Red Hat build of Apache Camel - HawtIO 4: improper privilege management | High8.2 | No fix yet |
| Sep 8 | Red Hat build of Apache Camel - HawtIO 4: improper certificate validation | Critical9.9 | No fix yet |
| Sep 8 | Red Hat libxml2 with Python bindings enabled: denial of service | High8.5 | No fix yet |
| Sep 8 | Red Hat Enterprise Linux: path traversal | Medium6.8 | No fix yet |
| Sep 8 | Red Hat Dogtag PKI: code execution | High7.2 | No fix yet |