Vulnerability Monitor

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CVE-2012-5525

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.

Published

2012-12-13T11:53:49.167

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.7 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	4.2.0	Yes

References

http://secunia.com/advisories/51397 Vendor Advisory ([email protected])
http://secunia.com/advisories/55082 ([email protected])
http://security.gentoo.org/glsa/glsa-201309-24.xml ([email protected])
http://www.openwall.com/lists/oss-security/2012/12/03/6 ([email protected])
http://www.osvdb.org/88133 ([email protected])
http://www.securityfocus.com/bid/56805 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/80480 ([email protected])
http://secunia.com/advisories/51397 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55082 (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-201309-24.xml (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/12/03/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/88133 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/56805 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/80480 (af854a3a-2127-422b-91ae-364da2661108)