Advisoriesby IbisRed HatCVE-2026-86562
Red Hat DPDK lib/vhost: race condition
No fix yet
A flaw was found in DPDK lib/vhost. A TOCTOU double-fetch of control-queue descriptors allows a heap buffer overflow with attacker-controlled content in the VDUSE control-queue handler.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Fast Datapath for RHEL 10 Product | all versions | No fix yet |
| 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 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-362