Vulnerability Details : CVE-2016-7092
The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
Products affected by CVE-2016-7092
- cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-7092
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-7092
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:L/AC:L/Au:S/C:C/I:C/A:C |
3.1
|
10.0
|
NIST | |
|
8.2
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
1.5
|
6.0
|
NIST |
CWE ids for CVE-2016-7092
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-7092
-
http://www.securitytracker.com/id/1036751
Xen L3 Pagetable Recursion Bug Lets Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.debian.org/security/2016/dsa-3663
Debian -- Security Information -- DSA-3663-1 xen
-
https://security.gentoo.org/glsa/201611-09
Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security
-
http://xenbits.xen.org/xsa/xsa185.patch
Patch;Vendor Advisory
-
http://xenbits.xen.org/xsa/advisory-185.html
XSA-185 - Xen Security AdvisoriesPatch;Vendor Advisory
-
http://support.citrix.com/article/CTX216071
Citrix XenServer Multiple Security UpdatesThird Party Advisory
-
http://www.securityfocus.com/bid/92862
Xen CVE-2016-7092 Local Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Oracle VM Server for x86 Bulletin - July 2016
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