---
id: CVE-2026-86845
title: A flaw was found in DPDK lib/vhost vhost-crypto
summary: >-
  A flaw was found in DPDK lib/vhost vhost-crypto. Session cleanup can leave a
  stale cached session pointer, and the data path does not check the session
  type before attaching it, leading to use-after-free or type confusion in the
  host vho…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'
cwe:
  - CWE-825
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:13:37.910'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86845'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-86845'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2529844'
    label: secalert@redhat.com
tags:
  - nvd
ingestedAt: '2026-10-14T18:47:39.318Z'
---

## Overview

A flaw was found in DPDK lib/vhost vhost-crypto. Session cleanup can leave a stale cached session pointer, and the data path does not check the session type before attaching it, leading to use-after-free or type confusion in the host vhost-crypto backend.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.