CVE-2022-0669

A flaw was found in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds as ancillary data to VHOST_USER_GET_INFLIGHT_FD / VHOST_USER_SET_INFLIGHT_FD messages that are not closed by the vhost-user slave. By sending such messages continuously, the vhost-user master exhausts available fd in the vhost-user slave process, leading to a denial of service.

Published: 2022-08-29 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-0669 is rated Low Risk (33/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.28%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-0669

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 0.28% +0.07%
2 2026-04-05 0.12% 0.21% +0.09%
3 2025-09-09 — 0.12% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-0669

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.0 4.0 [email protected]

Weakness enumeration for CVE-2022-0669

OS Trackers for CVE-2022-0669

vendor priority summary link
debian not yet assigned CVE-2022-0669 not yet assigned priority: Debian including 1 source packages (dpdk), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-0669
redhat medium — https://access.redhat.com/security/cve/CVE-2022-0669
suse medium CVE-2022-0669 severity moderate: SUSE including 71 source package names (dpdk, dpdk-19.11.10-150400.2.10, …), 227 product×package rows across 50 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (50 product lines)): Fixed 129, Known Not Affected 98. https://www.suse.com/security/cve/CVE-2022-0669/
ubuntu medium CVE-2022-0669 medium priority: Ubuntu including 1 source packages (dpdk), 7 status rows across 7 suites (bionic, focal, impish, jammy, kinetic, upstream, xenial): released 4, not-affected 2, needs-triage 1. https://ubuntu.com/security/CVE-2022-0669

Affected software / configurations for CVE-2022-0669

Vendor Product Version Raw CPE
dpdk data_plane_development_kit >= 20.02, < 22.03 cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:*
dpdk data_plane_development_kit 19.11 cpe:2.3:a:dpdk:data_plane_development_kit:19.11:*:*:*:*:*:*:*
dpdk data_plane_development_kit 19.11 cpe:2.3:a:dpdk:data_plane_development_kit:19.11:rc1:*:*:*:*:*:*
dpdk data_plane_development_kit 19.11 cpe:2.3:a:dpdk:data_plane_development_kit:19.11:rc2:*:*:*:*:*:*
dpdk data_plane_development_kit 19.11 cpe:2.3:a:dpdk:data_plane_development_kit:19.11:rc3:*:*:*:*:*:*
dpdk data_plane_development_kit 19.11 cpe:2.3:a:dpdk:data_plane_development_kit:19.11:rc4:*:*:*:*:*:*
dpdk data_plane_development_kit 22.03 cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc1:*:*:*:*:*:*
dpdk data_plane_development_kit 22.03 cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc2:*:*:*:*:*:*
dpdk data_plane_development_kit 22.03 cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc3:*:*:*:*:*:*
openvswitch openvswitch 2.13.0 cpe:2.3:a:openvswitch:openvswitch:2.13.0:*:*:*:*:*:*:*
openvswitch openvswitch 2.15.0 cpe:2.3:a:openvswitch:openvswitch:2.15.0:*:*:*:*:*:*:*
redhat openshift_container_platform 4.0 cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

References for CVE-2022-0669

cvelogic Threat Intelligence