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CVE-2016-7094

Good to know:

Date: September 21, 2016

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.

Language: C

Severity Score

4.1

Related Resources (12)

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

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

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

Url: https://security-tracker.debian.org/tracker/CVE-2016-7094

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

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

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

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

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7094

Url: https://access.redhat.com/security/cve/CVE-2016-7094

Url: https://www.mend.io/vulnerability-database/CVE-2016-7094

Severity Score

4.1

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version RELEASE-4.8.0, 4.8.0-rc1

CVSS v3.1

Base Score:	4.1
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	HIGH
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	1.5
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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