# CVE-2005-0109: Information disclosure in n/a

> Local attackers can exploit Hyper-Threading timing side-channels to monitor other threads and steal sensitive data like cryptographic keys.

- **Severity:** Medium 5.6 (`CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N`)
- **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:** 8 Mar 2005
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-3h63-pxm6-2x4m

## What is CVE-2005-0109?

CVE-2005-0109 is a medium-severity vulnerability in Freebsd Freebsd, published on 8 Mar 2005. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses.

## Which versions are affected by CVE-2005-0109?

It affects 8 products.


Products: Freebsd Freebsd, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Fedora Core, Sco Openserver, Sco Unixware, Sun Solaris, Ubuntu Ubuntu Linux.

## How do I fix CVE-2005-0109?

Apply the vendor's patch.

## Is CVE-2005-0109 being exploited?

There is no known exploitation of CVE-2005-0109 in the wild and no public exploit code.

## Other vulnerabilities in Freebsd Freebsd

- [CVE-2018-17160](https://insights.sbomify.com/CVE-2018-17160/): Memory corruption in FreeBSD (critical 10.0)
- [CVE-2014-3954](https://insights.sbomify.com/CVE-2014-3954/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-4304](https://insights.sbomify.com/CVE-2006-4304/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-0226](https://insights.sbomify.com/CVE-2006-0226/): Integer overflow in n/a (critical 10.0)
- [CVE-2004-0002](https://insights.sbomify.com/CVE-2004-0002/): Denial of service in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2005-0109 and fix it if it is affected.

What it is: CVE-2005-0109 is a medium-severity vulnerability in Freebsd Freebsd, published on 8 Mar 2005. 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-2005-0109 in the wild and no public exploit code.

Affected product: Freebsd Freebsd. 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-2005-0109/ (Markdown: https://insights.sbomify.com/CVE-2005-0109/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2005-0109
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2005-0109
- OSV: https://osv.dev/vulnerability/CVE-2005-0109

---
From sbomify Insights: https://insights.sbomify.com/CVE-2005-0109/
Summaries are generated and may contain mistakes; the official description above is the record.