# CVE-2004-0554: Denial of service in n/a

> Local attackers can crash the Linux kernel by triggering a signal handler with specific floating-point instructions, causing a denial of service.

- **Severity:** Low 2.1 (`AV:L/AC:L/Au:N/C:N/I:N/A:P`)
- **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:** 15 Jun 2004
- **Updated:** 8 Aug 2024
- **Also known as:** GHSA-7hp5-737x-3jmh

## What is CVE-2004-0554?

CVE-2004-0554 is a low-severity denial of service vulnerability in Conectiva Linux, published on 15 Jun 2004. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service (system crash), possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a "crash.c" program.

## Which versions are affected by CVE-2004-0554?

It affects 18 products.


Products: Avaya Converged Communications Server, Avaya Intuity Audix, Avaya Modular Messaging Message Storage Server, Avaya S8300, Avaya S8500, Avaya S8700, Conectiva Linux, Gentoo Linux, Linux kernel, Redhat Enterprise Linux, Suse Suse Email Server, Suse Suse Linux, Suse Suse Linux Admin-Cd for Firewall, Suse Suse Linux Connectivity Server, Suse Suse Linux Database Server, Suse Suse Linux Firewall Cd, Suse Suse Linux Office Server, Suse Suse Office Server.

## How do I fix CVE-2004-0554?

Apply the vendor's patch.

## Is CVE-2004-0554 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0554 exists.

Public exploit code:

- Linux Kernel 2.4.x/2.6.x - Assembler Inline Function Local Denial of Service (exploitdb)

## Other vulnerabilities in Conectiva Linux

- [CVE-2004-0495](https://insights.sbomify.com/CVE-2004-0495/): Privilege escalation in n/a (high 7.2)
- [CVE-2004-0595](https://insights.sbomify.com/CVE-2004-0595/): Cross-site scripting in n/a (medium 6.8)
- [CVE-2004-1235](https://insights.sbomify.com/CVE-2004-1235/): Race condition in n/a (medium 6.2)
- [CVE-2004-0594](https://insights.sbomify.com/CVE-2004-0594/): Race condition in n/a (medium 5.1)
- [CVE-2005-0003](https://insights.sbomify.com/CVE-2005-0003/): Memory corruption in n/a (low 2.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2004-0554 and fix it if it is affected.

What it is: CVE-2004-0554 is a low-severity denial of service vulnerability in Conectiva Linux, published on 15 Jun 2004. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0554 exists.

Affected product: Conectiva Linux. 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-2004-0554/ (Markdown: https://insights.sbomify.com/CVE-2004-0554/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2004-0554
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2004-0554
- OSV: https://osv.dev/vulnerability/CVE-2004-0554

---
From sbomify Insights: https://insights.sbomify.com/CVE-2004-0554/
Summaries are generated and may contain mistakes; the official description above is the record.