# CVE-2022-23955: Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC

> A vulnerability in HP PC BIOS allows attackers to cause a denial of service condition on affected notebook and desktop computers.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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:** No
- **Published:** 2 Mar 2022
- **Updated:** 8 Oct 2026
- **Also known as:** GHSA-w7q3-3cqr-qjm8

## What is CVE-2022-23955?

CVE-2022-23955 is a medium-severity denial of service vulnerability in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC, published on 2 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Potential vulnerabilities have been identified in the BIOS for some HP PC products which may allow denial of service.

## Which versions are affected by CVE-2022-23955?

It affects 2 products.


Products: Hp Probook 440 G8 Firmware, Hp Prodesk 405 G6 Small Form Factor Firmware.

## How do I fix CVE-2022-23955?

No fix has been published for CVE-2022-23955 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-23955 being exploited?

There is no known exploitation of CVE-2022-23955 in the wild and no public exploit code.

## Other vulnerabilities in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC

- [CVE-2022-23953](https://insights.sbomify.com/CVE-2022-23953/): Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC (medium 5.5)
- [CVE-2022-23954](https://insights.sbomify.com/CVE-2022-23954/): Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC (medium 5.5)
- [CVE-2022-23956](https://insights.sbomify.com/CVE-2022-23956/): Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC (medium 5.5)
- [CVE-2022-23957](https://insights.sbomify.com/CVE-2022-23957/): Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC (medium 5.5)
- [CVE-2022-23958](https://insights.sbomify.com/CVE-2022-23958/): Denial of service in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-23955 and fix it if it is affected.

What it is: CVE-2022-23955 is a medium-severity denial of service vulnerability in HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC, published on 2 Mar 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-2022-23955 in the wild and no public exploit code.

Affected product: HP ProBook 440 G8 Notebook PC; HP ProDesk 405 G6 Small Form Factor PC. 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-2022-23955/ (Markdown: https://insights.sbomify.com/CVE-2022-23955/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-23955
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-23955
- OSV: https://osv.dev/vulnerability/CVE-2022-23955

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-23955/
Summaries are generated and may contain mistakes; the official description above is the record.