--- title: "CVE-2014-3633\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-2014-3633?format=md keywords: index, follow --- # CVE-2014-3633 Publication date 19 September 2014 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The qemuDomainGetBlockIoTune function in qemu/qemu\_driver.c in libvirt before 1.2.9, when a disk has been hot-plugged or removed from the live image, allows remote attackers to cause a denial of service (crash) or read sensitive heap information via a crafted blkiotune query, which triggers an out-of-bounds read. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | libvirt | 14.04 LTS trusty | Fixed 1.2.2-0ubuntu13.1.5 | | 12.04 LTS precise | Fixed 0.9.8-2ubuntu17.20 | | 10.04 LTS lucid | 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-2014-3633?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 | | --- | --- | | libvirt | * Upstream: | ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3633) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-3633) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-3633) * [Debian](https://security-tracker.debian.org/tracker/CVE-2014-3633) ### Related Ubuntu Security Notices (USN) + [USN-2366-1](https://usn.ubuntu.com/USN-2366-1) + libvirt vulnerabilities + 30 September 2014 ### Other references * *