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CVE-2021-3839

HIGH CVSS: 7.5 Published: 2022-08-23 Modified: 2026-06-17

Description

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.

Affected Platforms

Redhat Enterprise Linux Fast DatapathRedhat Enterprise LinuxDpdk Data Plane Development KitFedoraproject Fedora

Weakness Type

CWE-125, CWE-125, CWE-787

References