CVE-2016-7092

HIGH

Xen - Privilege Escalation via L3 Recursive Pagetables

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/xsa185.patch
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3663
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92862
Third Party Advisory x_refsource_confirm
http://support.citrix.com/article/CTX216071
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-185.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201611-09
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036751

Scores

CVSS v3 8.2
EPSS 0.0008
EPSS Percentile 22.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-264
Status published
Products (1)
xen/xen
Published Sep 21, 2016
Tracked Since Feb 18, 2026