Integer Overflow Vulnerability in DPDK vhost-crypto by Red Hat
CVE-2026-86849

6.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Fast Datapath For Rhel 10
Fast Datapath For Rhel 8
Fast Datapath For Rhel 9
Red Hat Enterprise Linux 10
Vendor
CVE Published:
14 October 2026

What is CVE-2026-86849?

A vulnerability exists in the DPDK vhost-crypto backend where an integer overflow can occur due to improper chain length checks and insufficient length validations in the RSA path. This flaw might lead to an overflow of a host buffer, causing potential security risks for systems utilizing the vhost-crypto component.

References

https://access.redhat.com/security/cve/CVE-2026-86849
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2529858
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.