CVE-2012-5525

Description

The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.

4.7

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 6.89% Top 10%

Vendor Advisory gentoo.org Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://www.openwall.com/lists/oss-security/2012/12/03/6	mailing list
http://secunia.com/advisories/55082	third party advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml	vendor advisory
http://secunia.com/advisories/51397	third party advisory vendor advisory
http://www.osvdb.org/88133	vdb entry
http://www.securityfocus.com/bid/56805	vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/80480	vdb entry

Frequently Asked Questions

What is the severity of CVE-2012-5525?: CVE-2012-5525 has been scored as a medium severity vulnerability.
How to fix CVE-2012-5525?: To fix CVE-2012-5525, 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-2012-5525 being actively exploited in the wild?: It is possible that CVE-2012-5525 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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