---
title: "CVE-2018-12204\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2018-12204?format=md
keywords: index, follow
---

# CVE-2018-12204

Publication date 14 March 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**6.7 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-12204?format=md#impact-score)

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## Description

Improper memory initialization in Platform Sample/Silicon Reference
firmware Intel(R) Server Board, Intel(R) Server System and Intel(R) Compute
Module may allow privileged user to potentially enable an escalation of
privilege via local access.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2018-12204?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| intel-microcode | 19.04 disco | Not affected |
| 18.10 cosmic | Fixed 3.20190514.0ubuntu0.18.10.1 |
| 18.04 LTS bionic | Fixed 3.20190514.0ubuntu0.18.04.2 |
| 16.04 LTS xenial | Fixed 3.20190514.0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 3.20190514.0ubuntu0.14.04.1 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [sbeattie](https://launchpad.net/~sbeattie)

it is unclear whether this issue is addressed in cpu
microcode or in other firmware, but if it is in cpu microcode,
subsequent updates have addressed the issue.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.7 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | High |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.7 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12204)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-12204)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-12204)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-12204)

### Other references

* <https://www.intel.com/content/www/us/en/security-center/advisory/INTEL-SA-00191.html>
* <https://www.cve.org/CVERecord?id=CVE-2018-12204>