CVE-2026-86847

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.

Score

CVSS 3.1 6.5 Medium

Status

Awaiting Analysis - secalert@redhat.com

Published

2026-10-14

Last modified

2026-10-20

Weaknesses

CWE-824

Affected products

• Enterprise Linux (Redhat)
• Openshift (Redhat)
• Openstack (Redhat)

References

• https://access.redhat.com/security/cve/CVE-2026-86847
• https://bugzilla.redhat.com/show_bug.cgi?id=2529847