Out-of-Bounds Read Vulnerability in DPDK by Red Hat
CVE-2026-86564

3.3LOW

Key Information:

Vendor

Red Hat
Status
Fast Datapath For Rhel 10
Fast Datapath For Rhel 8
Fast Datapath For Rhel 9
Red Hat Enterprise Linux 10
Vendor
CVE Published:
8 September 2026

What is CVE-2026-86564?

A security flaw exists in DPDK's virtio-net control-queue handler where missing length validation can lead to an out-of-bounds read of command data. This issue may result in unexpected behavior, including potential crashes of the host process, exposing systems to various risks. Proper validation mechanisms should be implemented to mitigate this vulnerability.

References

https://access.redhat.com/security/cve/CVE-2026-86564
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2529682
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Stephen Haruna for reporting this issue.
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