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.

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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
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00147}

epss

{'score': 0.00108}


Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00093}

epss

{'score': 0.00147}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:09:09.623Z

Reserved: 2021-09-29T00:00:00

Link: CVE-2021-3839

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-23T16:15:10.087

Modified: 2024-11-21T06:22:36.400

Link: CVE-2021-3839

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-04-29T00:00:00Z

Links: CVE-2021-3839 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses