High severity · published Sep 21, 2016
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
8.2
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7092
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7092
Third Party Advisory
http://support.citrix.com/article/CTX216071
www.debian.org
http://www.debian.org/security/2016/dsa-3663
www.oracle.com
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Third Party Advisory
http://www.securityfocus.com/bid/92862
Third Party Advisory
http://www.securitytracker.com/id/1036751
Patch
http://xenbits.xen.org/xsa/advisory-185.html
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