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Medium severity · published Sep 21, 2016
CVE-2016-7094
Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update
4.1
CVSS
0.4%
EPSS
No
On KEV
Description
Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
through 4.7.0 · source: NVD
Affected product
XE
Xen
Xen
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7094
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/92864
Third Party Advisory
http://www.securitytracker.com/id/1036753
Patch
http://xenbits.xen.org/xsa/advisory-187.html
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