CVE-2012-5525

medium

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.

References

http://secunia.com/advisories/51397

http://secunia.com/advisories/55082

http://security.gentoo.org/glsa/glsa-201309-24.xml

http://www.openwall.com/lists/oss-security/2012/12/03/6

http://www.osvdb.org/88133

http://www.securityfocus.com/bid/56805

https://exchange.xforce.ibmcloud.com/vulnerabilities/80480

Details

Source: MITRE

Published: 2012-12-13

Updated: 2017-08-29

Risk Information

CVSS v2

Base Score: 4.7

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.4

Severity: MEDIUM