Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2012-5525
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-5525
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-5525
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
References for CVE-2012-5525
-
http://security.gentoo.org/glsa/glsa-201309-24.xml
Xen: Multiple vulnerabilities (GLSA 201309-24) — Gentoo security
-
http://www.openwall.com/lists/oss-security/2012/12/03/6
oss-security - Xen Security Advisory 26 (CVE-2012-5510) - Grant table version switch list corruption vulnerability
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/80480
Xen get_page_from_gfn() denial of service CVE-2012-5525 Vulnerability Report
-
http://www.securityfocus.com/bid/56805
Xen 'get_page_from_gfn()' Function Local Denial of Service Vulnerability
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