CVE-2026-86847

A flaw was found in DPDK lib/vhost vhost-crypto

Risk score: 41/100
CVSS: 6.5 v3.1
Exploit chance (30 days): 0.2%
Published: 14 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is: 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.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 6.5 medium

References

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

Original description

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.

Last activity 14 Oct 2026. Patch Forecast updates every hour.