CVE-2013-4356

Description

Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).

Category

5.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory gentoo.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/54962 third party advisory vendor advisory
http://security.gentoo.org/glsa/glsa-201407-03.xml vendor advisory
http://www.openwall.com/lists/oss-security/2013/09/30/2 mailing list
http://www.securityfocus.com/bid/62709 vdb entry

Frequently Asked Questions

What is the severity of CVE-2013-4356?
CVE-2013-4356 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4356?
To fix CVE-2013-4356, 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-2013-4356 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-4356 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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