# CVE-2022-0669: Denial of service in DPDK

> A malicious vhost-user master can exhaust file descriptors in the vhost-user slave process, causing a denial of service.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 29 Aug 2022
- **Updated:** 2 Aug 2024
- **Also known as:** DEBIAN-CVE-2022-0669, GHSA-4vw6-hh56-rxvj, UBUNTU-CVE-2022-0669, openSUSE-SU-2024:12039-1

## What is CVE-2022-0669?

CVE-2022-0669 is a medium-severity denial of service vulnerability in Redhat Openshift Container Platform, published on 29 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

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.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2022-0669?

It affects 3 products.


Products: Dpdk Data Plane Development Kit, Openvswitch Openvswitch, Redhat Openshift Container Platform.

## How do I fix CVE-2022-0669?

Apply the vendor's patch.

## Is CVE-2022-0669 being exploited?

There is no known exploitation of CVE-2022-0669 in the wild and no public exploit code.

## Other vulnerabilities in Redhat Openshift Container Platform

- [CVE-2020-10725](https://insights.sbomify.com/CVE-2020-10725/): Null dereference in dpdk (high 7.7)
- [CVE-2021-3839](https://insights.sbomify.com/CVE-2021-3839/): Memory corruption in dpdk (high 7.5)
- [CVE-2019-14818](https://insights.sbomify.com/CVE-2019-14818/): Denial of service in dpdk (high 7.5)
- [CVE-2020-10726](https://insights.sbomify.com/CVE-2020-10726/): Denial of service in dpdk (medium 6.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-0669 and fix it if it is affected.

What it is: CVE-2022-0669 is a medium-severity denial of service vulnerability in Redhat Openshift Container Platform, published on 29 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-0669 in the wild and no public exploit code.

Affected product: Redhat Openshift Container Platform. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-0669/ (Markdown: https://insights.sbomify.com/CVE-2022-0669/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-0669
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-0669
- OSV: https://osv.dev/vulnerability/CVE-2022-0669

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-0669/
Summaries are generated and may contain mistakes; the official description above is the record.