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CVE-2013-6436

Published Jan 7, 2014 redhat CWE-264

Overview

CVE-2013-6436 is a known-severity vulnerability affecting redhat libvirt. It was published on January 7, 2014.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from redhat. Update libvirt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

References

Ref libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=f8c1cb90213508c4f32549023b0572ed774e48aa Ref lists.opensuse.org/opensuse-updates/2014-01/msg00004.html Ref osvdb.org/101485 Ref secunia.com/advisories/56245 Ref secunia.com/advisories/60895 Ref security.gentoo.org/glsa/glsa-201412-04.xml Ref www.ubuntu.com/usn/USN-2093-1 Ref www.redhat.com/archives/libvir-list/2013-December/msg01170.html Ref libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=f8c1cb90213508c4f32549023b0572ed774e48aa Ref lists.opensuse.org/opensuse-updates/2014-01/msg00004.html

Frequently Asked Questions

What is CVE-2013-6436?

CVE-2013-6436 is a known-severity vulnerability affecting redhat libvirt. It was published on January 7, 2014.

How severe is CVE-2013-6436?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2013-6436?

Check the references section for vendor advisories and patches from redhat. Update libvirt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-6436?

CyberStrike's AI-powered security agents can automatically detect CVE-2013-6436 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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