Your submission was sent successfully! Close

You have successfully unsubscribed! Close

CVE-2021-3839

Published: 29 April 2022

A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate `msg->payload.inflight.num_queues`, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability.

Notes

AuthorNote
mdeslaur
introduced in 19.11-rc1

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
dpdk
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (19.11.12-0ubuntu0.20.04.1)
impish
Released (20.11.5-0ubuntu1)
jammy
Released (21.11.1-0ubuntu0.3)
kinetic
Released (21.11.1-0ubuntu0.3)
upstream Needs triage

xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H