CVE-2021-3839

DPDK: out-of-bounds read/write in vhost_user_set_inflight_fd() may lead to crash

Published Aug 23, 2022 CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5130-1 dpdk security update
EUVD EUVD EUVD-2021-27085 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.
Ubuntu USN Ubuntu USN USN-5401-1 DPDK vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00147}

epss

{'score': 0.00108}

Type Values Removed Values Added
Metrics epss

{'score': 0.00093}

epss

{'score': 0.00147}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:09 PM
Reserved
Sep 29, 2021, 12:00 AM
Status
Modified
Published
Aug 23, 2022, 4:15 PM
Modified
Jun 17, 2026, 4:05 AM
Severity
Moderate
Public date
Apr 29, 2022, 12:00 AM