# CVE-2010-3848: Memory corruption in n/a

> Local attackers can gain privileges via a stack-based buffer overflow in the Linux kernel's econet module when configured.

- **Severity:** Medium 6.9 (`AV:L/AC:M/Au:N/C:C/I:C/A:C`)
- **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:** 30 Dec 2010
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-jg69-hq9p-75r5

## What is CVE-2010-3848?

CVE-2010-3848 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 30 Dec 2010. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Stack-based buffer overflow in the econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.36.2, when an econet address is configured, allows local users to gain privileges by providing a large number of iovec structures.

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2010-3848?

It affects 7 products.


Products: Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Suse Linux Enterprise Desktop, Suse Linux Enterprise Real Time Extension, Suse Linux Enterprise Server, Suse Linux Enterprise Software Development Kit.

## How do I fix CVE-2010-3848?

Upgrade to a fixed version.

## Is CVE-2010-3848 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-3848 exists.

Public exploit code:

- Linux Kernel < 2.6.36.2 (Ubuntu 10.04) - 'Half-Nelson.c' Econet Privilege Escalation (exploitdb)

## Other vulnerabilities in Canonical Ubuntu Linux

- [CVE-2020-11651](https://insights.sbomify.com/CVE-2020-11651/): SaltStack Salt Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2020-7247](https://insights.sbomify.com/CVE-2020-7247/): OpenSMTPD Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2019-16928](https://insights.sbomify.com/CVE-2019-16928/): Exim Out-of-bounds Write (critical 9.8, exploited in the wild)
- [CVE-2018-6789](https://insights.sbomify.com/CVE-2018-6789/): Exim Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2015-2590](https://insights.sbomify.com/CVE-2015-2590/): Oracle Java SE and Java SE Embedded Remote Code Execution (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2010-3848 and fix it if it is affected.

What it is: CVE-2010-3848 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 30 Dec 2010. 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-2010-3848 exists.

Affected product: Canonical Ubuntu 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-2010-3848/ (Markdown: https://insights.sbomify.com/CVE-2010-3848/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2010-3848
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-3848
- OSV: https://osv.dev/vulnerability/CVE-2010-3848

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From sbomify Insights: https://insights.sbomify.com/CVE-2010-3848/
Summaries are generated and may contain mistakes; the official description above is the record.