CVE-2016-7094

Published: Sep 21, 2016Modified: May 6, 2026

4.1

Vector

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitability: 0.5 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Xen: Xen

Xen

1 product

Xen

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up to 4.7.0

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (16)

http://support.citrix.com/article/CTX216071

Source: cve@mitre.org

Third Party Advisory

http://www.debian.org/security/2016/dsa-3663

Source: cve@mitre.org

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Source: cve@mitre.org

http://www.securityfocus.com/bid/92864

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036753

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://xenbits.xen.org/xsa/advisory-187.html

Source: cve@mitre.org

PatchVendor Advisory

http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch

Source: cve@mitre.org

PatchVendor Advisory

https://security.gentoo.org/glsa/201611-09

Source: cve@mitre.org

http://support.citrix.com/article/CTX216071