CVE-2012-5525

Xen 4.2 - Denial of Service via get_page_from_gfn Hypercall Buffer Over-read

Title source: llm

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 (7)

Core 7

Core References

Mailing List mailing-list x_refsource_mlist

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

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/55082

Third Party Advisory vendor-advisory x_refsource_gentoo

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

Vendor Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/51397

Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb

http://www.osvdb.org/88133

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

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

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

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

Scores

EPSS 0.0689

EPSS Percentile 91.5%

Details

Status published

Products (1)

xen/xen 4.2.0

Published Dec 13, 2012

Tracked Since Feb 18, 2026