--- title: "CVE-2013-6436\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-2013-6436?format=md keywords: index, follow --- # CVE-2013-6436 Publication date 7 January 2014 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The lxcDomainGetMemoryParameters method in lxc/lxc\_driver.c in libvirt 1.0.5 through 1.2.0 does not properly check the status of LXC guests when reading memory tunables, which allows local users to cause a denial of service (NULL pointer dereference and libvirtd crash) via a guest in the shutdown status, as demonstrated by the "virsh memtune" command. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | libvirt | 13.10 saucy | Fixed 1.1.1-0ubuntu8.5 | | 13.04 raring | Ignored end of life | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 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-2013-6436?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-2013-6436) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-6436) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-6436) * [Debian](https://security-tracker.debian.org/tracker/CVE-2013-6436) ### Related Ubuntu Security Notices (USN) + [USN-2093-1](https://usn.ubuntu.com/USN-2093-1) + libvirt vulnerabilities + 30 January 2014 ### Other references * * * *