CVE-2013-4329

Description

The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.

Category

6.5
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2013/09/10/4 mailing list
http://lists.xen.org/archives/html/xen-devel/2013-07/msg00066.html patch mailing list
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor advisory
http://www.debian.org/security/2014/dsa-3006 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4329?
CVE-2013-4329 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4329?
To fix CVE-2013-4329, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4329 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4329 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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