---
title: "CVE-2015-5225\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-2015-5225?format=md
keywords: index, follow
---

# CVE-2015-5225

Publication date 25 August 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Buffer overflow in the vnc\_refresh\_server\_surface function in the VNC
display driver in QEMU before 2.4.0.1 allows guest users to cause a denial
of service (heap memory corruption and process crash) or possibly execute
arbitrary code on the host via unspecified vectors, related to refreshing
the server display surface.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-5225?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| qemu | 15.04 vivid | Fixed 1:2.2+dfsg-5expubuntu9.4 |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not in release |
| qemu-kvm | 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |

---

* [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-2015-5225?format=md#patch-details)

## Notes

---

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

introduced by:
http://git.qemu.org/?p=qemu.git;a=commit;h=bea60dd7679364493a0d7f5b
so precise and trusty are not affected

### 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/2015-08/msg02495.html> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5225)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-5225)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-5225)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-5225)

### Related Ubuntu Security Notices (USN)

+ [USN-2724-1](https://usn.ubuntu.com/USN-2724-1)
+ QEMU vulnerabilities
+ 27 August 2015

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2015-5225>