# CVE-2016-5244: Information disclosure in n/a

> Remote attackers can read sensitive kernel stack memory via RDS messages due to uninitialized structure members in the Linux kernel.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 27 Jun 2016
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2016-5244, GHSA-m496-5jfw-8fgm, UBUNTU-CVE-2016-5244

## What is CVE-2016-5244?

CVE-2016-5244 is a high-severity vulnerability in Fedoraproject Fedora, published on 27 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The rds_inc_info_copy function in net/rds/recv.c in the Linux kernel through 4.6.3 does not initialize a certain structure member, which allows remote attackers to obtain sensitive information from kernel stack memory by reading an RDS message.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2016-5244?

It affects 11 products.


Products: Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux, Suse Linux Enterprise Debuginfo, Suse Linux Enterprise Desktop, Suse Linux Enterprise Real Time Extension, Suse Linux Enterprise Server, Suse Linux Enterprise Workstation Extension, Suse Opensuse Leap, Suse Suse Linux Enterprise Server, Suse Suse Linux Enterprise Software Development Kit.

## How do I fix CVE-2016-5244?

Apply the vendor's patch.

## Is CVE-2016-5244 being exploited?

There is no known exploitation of CVE-2016-5244 in the wild and no public exploit code.

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild)
- [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild)
- [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-5244 and fix it if it is affected.

What it is: CVE-2016-5244 is a high-severity vulnerability in Fedoraproject Fedora, published on 27 Jun 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-5244 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. 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-2016-5244/ (Markdown: https://insights.sbomify.com/CVE-2016-5244/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-5244
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-5244
- OSV: https://osv.dev/vulnerability/CVE-2016-5244

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-5244/
Summaries are generated and may contain mistakes; the official description above is the record.