CVE-2013-6400

Description

Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/55932 third party advisory vendor advisory
http://www.securitytracker.com/id/1029468 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html vendor advisory
http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html mailing list
http://www.openwall.com/lists/oss-security/2013/12/10/7 mailing list

Frequently Asked Questions

What is the severity of CVE-2013-6400?
CVE-2013-6400 has been scored as a medium severity vulnerability.
How to fix CVE-2013-6400?
To fix CVE-2013-6400, 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-2013-6400 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-6400 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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