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Back to active CVEs
Low · CVSS 3.3CVE-2026-86564

Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handlerCVE-2026-86564

Answer in brief

CVE-2026-86564 records a Low severity (CVSS 3.3) vulnerability in Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler. The current sources do not mark it as known exploited. The current feed maps Red Hat/dpdk (generic), Red Hat/openvswitch2.11 (generic), Red Hat/openvswitch2.12 (generic), Red Hat/openvswitch2.13 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 8, 2026Updated Sep 9, 2026Source checked Oct 25, 2026First seen by HOL Sep 8, 2026Material review Sep 9, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.3
Exploitation
Not marked as known exploited
Affected software
14 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 3.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/dpdk (generic), Red Hat/openvswitch2.11 (generic), Red Hat/openvswitch2.12 (generic), Red Hat/openvswitch2.13 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/dpdkgeneric*Not reported
Red Hat/openvswitch2.11generic*Not reported
Red Hat/openvswitch2.12generic*Not reported
Red Hat/openvswitch2.13generic*Not reported
Red Hat/openvswitch2.15generic*Not reported
Red Hat/openvswitch2.16generic*Not reported
Red Hat/openvswitch2.17generic*Not reported
Red Hat/openvswitch3.0generic*Not reported
Red Hat/openvswitch3.1generic*Not reported
Red Hat/openvswitch3.2generic*Not reported
Red Hat/openvswitch3.3generic*Not reported
Red Hat/openvswitch3.4generic*Not reported
Red Hat/openvswitch3.5generic*Not reported
Red Hat/openvswitch3.6generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/dpdk, Red Hat/openvswitch2.11, Red Hat/openvswitch2.12.
  2. 2Review the reported fix. Source-reported workaround: No mitigation is currently available.

Evidence timeline and material changes

  1. Published upstream

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 8, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Oct 25, 2026
References
2 linked sources
Open source record