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Back to active CVEs
High · CVSS 7.8CVE-2026-86562

Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse)CVE-2026-86562

Answer in brief

CVE-2026-86562 records a High severity (CVSS 7.8) vulnerability in Dpdk: dpdk: control-queue descriptor double-fetch overflows host heap in dpdk vhost (vduse). The current sources do not mark it as known exploited. The current feed maps Red Hat/dpdk (generic), Red Hat/grout (generic), Red Hat/openvswitch (generic), Red Hat/openvswitch2.11 (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 Oct 14, 2026Updated Oct 14, 2026Source checked Oct 14, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
16 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.8. 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/grout (generic), Red Hat/openvswitch (generic), Red Hat/openvswitch2.11 (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/groutgeneric*Not reported
Red Hat/openvswitchgeneric*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/grout, Red Hat/openvswitch.
  2. 2Review the reported fix. Source-reported workaround: No mitigation is currently available.

Evidence timeline and material changes

  1. Published upstream

    Oct 14, 2026

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

  2. Source modified

    Oct 14, 2026

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

  3. First seen by HOL

    Oct 14, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencegit.dpdk.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Junos OS and Junos OS Evolved: In a scenario with VPN-flowspec and BMP monitoring a specific BGP update causes an rpd crashSame generic ecosystem
  • Junos OS and Junos OS Evolved: A malformed LSP-ping causes an rpd crashSame generic ecosystem
  • Junos OS and Junos OS Evolved: A specific BGP packet causes an rpd crash when an ECMP qualifier is used in an import policySame generic ecosystem
  • Junos OS and Junos OS Evolved: An attacker sending a malformed update causes an rpd crash when BGP EVPN signaling is usedSame generic ecosystem
  • Junos OS and Junos OS Evolved: A BGP EVPN neighbor causes an rpd crash when SRv6 multihoming is usedSame generic ecosystem
  • Junos OS and Junos OS Evolved: An attacker can cause an rpd crash via a crafted LDP messageSame generic ecosystem

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-362
Source
CVE List V5
Source checked
Oct 14, 2026
References
3 linked sources
Open source record