CVE-2012-5525

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-12-13 · updated 2026-06-16

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.

Affected products

xen: 4.2.0

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
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

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