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CVE-2026-86847

CVE-2026-86847 · Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A flaw was found in DPDK lib/vhost vhost-crypto. Write-back chain cleanup can follow an uninitialized next pointer when mapping a guest descriptor fails, causing the host vhost-crypto process to hang or crash.

CVSS 6.5 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • fast datapath for rhel 10

    No fix published

  • fast datapath for rhel 8

    No fix published

  • fast datapath for rhel 9

    No fix published

  • red hat enterprise linux 10

    No fix published

  • red hat enterprise linux 8

    No fix published

  • red hat enterprise linux 9

    No fix published

  • red hat openshift container platform 4

    No fix published

  • red hat openstack platform 13 (queens)

    No fix published

  • dpdk Debian:12

    Versions
    • 22.11.1-2
    • 22.11.11-0+deb12u1
    • 22.11.2-1
    • 22.11.2-2
    • 22.11.2-2~deb12u1
    • 22.11.2-3
    • 22.11.3-1
    • 22.11.3-1~deb12u1
    • 22.11.3-2
    • 22.11.4-1~deb12u1
    • 22.11.5-1~deb12u1
    • 22.11.6-1~deb12u1
    • 22.11.7-1~deb12u1
    • 22.11.8-1~deb12u1
    • 22.11.9-1~deb12u1
    • 23.11-1
    • 23.11-1~exp1
    • 23.11.1-1
    • 23.11.1-2
    • 23.11.2-1
    • 23.11.2-1+exp1
    • 23.11.2-1+exp2
    • 23.11.2-1+exp3
    • 23.11.2-1+exp4
    • 23.11.2-2
    • 23.11.2-3
    • 24.11-1
    • 24.11-2
    • 24.11.1-1
    • 24.11.2-1
    • 24.11.2-2
    • 24.11.3-1
    • 24.11.3-1~deb13u1
    • 24.11.3-2
    • 24.11~rc2-1
    • 24.11~rc2-2
    • 24.11~rc3-1
    • 24.11~rc4-1
    • 25.11-1
    • 25.11-2
    • 25.11.1-1
    • 25.11.2-1
    • 25.11.3-1
    • 25.11.4-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Debian:13

    Versions
    • 24.11.2-2
    • 24.11.3-1
    • 24.11.3-1~deb13u1
    • 24.11.3-2
    • 24.11.4-0+deb13u1
    • 25.11-1
    • 25.11-2
    • 25.11.1-1
    • 25.11.2-1
    • 25.11.3-1
    • 25.11.4-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Debian:14

    Versions
    • 24.11.2-2
    • 24.11.3-1
    • 24.11.3-1~deb13u1
    • 24.11.3-2
    • 25.11-1
    • 25.11-2
    • 25.11.1-1
    • 25.11.2-1
    • 25.11.3-1
    Affected ranges
    • ECOSYSTEM: < 25.11.4-1

    Update to 25.11.4-1

  • dpdk Ubuntu:16.04:LTS

    Versions
    • 2.0.0-0ubuntu1
    • 2.0.0-0ubuntu2
    • 2.0.0-0ubuntu3
    • 2.2.0-0ubuntu1
    • 2.2.0-0ubuntu3
    • 2.2.0-0ubuntu5
    • 2.2.0-0ubuntu6
    • 2.2.0-0ubuntu7
    • 2.2.0-0ubuntu8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:18.04:LTS

    Versions
    • 17.05.2-0ubuntu1
    • 17.05.2-0ubuntu2
    • 17.11-3
    • 17.11-4
    • 17.11-5
    • 17.11.1-6
    • 17.11.2-1ubuntu0.1
    • 17.11.3-3~ubuntu0.18.04
    • 17.11.5-0~ubuntu18.04.1
    • 17.11.6-0~ubuntu18.04.1
    • 17.11.8-0~ubuntu18.04.2
    • 17.11.9-0ubuntu18.04.1
    • 17.11.9-0ubuntu18.04.2
    • 17.11.10-0ubuntu0.1
    • 17.11.10-0ubuntu0.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:20.04:LTS

    Versions
    • 18.11.2-4
    • 18.11.3-1
    • 18.11.4-1
    • 18.11.4-1ubuntu1
    • 18.11.5-1
    • 19.11-2ubuntu1
    • 19.11-2ubuntu2
    • 19.11.1-0ubuntu1
    • 19.11.1-0ubuntu1.1
    • 19.11.3-0ubuntu0.1
    • 19.11.3-0ubuntu0.2
    • 19.11.6-0ubuntu0.20.04.1
    • 19.11.7-0ubuntu0.20.04.1
    • 19.11.7-0ubuntu0.20.04.2
    • 19.11.10-0ubuntu0.20.04.1
    • 19.11.12-0ubuntu0.20.04.1
    • 19.11.13-0ubuntu0.20.04.1
    • 19.11.14-0ubuntu0.20.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:22.04:LTS

    Versions
    • 20.11.3-0ubuntu1
    • 20.11.3-0ubuntu3
    • 21.11-1
    • 21.11-1build1
    • 21.11.1-0ubuntu0.3
    • 21.11.2-0ubuntu0.22.04.1
    • 21.11.3-0ubuntu0.22.04.1
    • 21.11.4-0ubuntu0.22.04.1
    • 21.11.6-0ubuntu0.22.04.1
    • 21.11.6-0ubuntu0.22.04.2
    • 21.11.9-0ubuntu0.22.04.1
    • 21.11.9-0ubuntu0.22.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:24.04:LTS

    Versions
    • 22.11.3-1
    • 22.11.3-2
    • 23.11-1
    • 23.11-1build2
    • 23.11-1build3
    • 23.11-1ubuntu0.1
    • 23.11.4-0ubuntu0.24.04.1
    • 23.11.4-0ubuntu0.24.04.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:26.10

    Versions
    • 25.11-2
    • 25.11.2-1
    • 25.11.2-1build1
    • 25.11.3-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dpdk Ubuntu:26.04:LTS

    Versions
    • 24.11.3-1
    • 24.11.3-2
    • 25.11-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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