---
title: "CVE-2014-0142\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-2014-0142?format=md
keywords: index, follow
---

# CVE-2014-0142

Publication date 26 March 2014

Last updated 25 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2014-0142?format=md#impact-score)

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## Description

QEMU, possibly before 2.0.0, allows local users to cause a denial of
service (divide-by-zero error and crash) via a zero value in the (1) tracks
field to the seek\_to\_sector function in block/parallels.c or (2)
extent\_size field in the bochs function in block/bochs.c.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| qemu | 14.04 LTS trusty | Not affected |
| 13.10 saucy | Ignored end of life |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| qemu-kvm | 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Fixed 1.0+noroms-0ubuntu14.17 |
| 10.04 LTS lucid | Fixed 0.12.3+noroms-0ubuntu9.24 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2014-0142?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| qemu | * Other:   <https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html> * Upstream:   <http://git.qemu.org/?p=qemu.git;a=commit;h=8e53abbc20d08ae3ec30c2054e1161314ad9501d> * Upstream:   <http://git.qemu.org/?p=qemu.git;a=commit;h=5e71dfad763d67bb64be79e20e93411c0c30ad25> * Upstream:   <http://git.qemu.org/?p=qemu.git;a=commit;h=9302e863aa8baa5d932fc078967050c055fa1a7f> * Upstream:   <http://git.qemu.org/?p=qemu.git;a=commit;h=28ec11bc882387e51c7450558af5a49b8be95a36> * Upstream:   <http://git.qemu.org/?p=qemu.git;a=commit;h=715c3f60efa9801a777a71cd06eaf8efa7eaa2a8> |
| qemu-kvm | * Other:   <https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0142)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-0142)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-0142)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-0142)

### Related Ubuntu Security Notices (USN)

+ [USN-2342-1](https://usn.ubuntu.com/USN-2342-1)
+ QEMU vulnerabilities
+ 8 September 2014

### Other references

* <http://www.openwall.com/lists/oss-security/2014/03/26>
* <https://www.cve.org/CVERecord?id=CVE-2014-0142>