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CVE-2017-8905

Date: May 11, 2017

Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.

Language: C

Severity Score

8.8

Related Resources (8)

Url: http://www.securityfocus.com/bid/98436

Url: http://www.securitytracker.com/id/1038388

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-8905

Url: https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/

Url: https://security.gentoo.org/glsa/201705-11

Url: https://access.redhat.com/security/cve/CVE-2017-8905

Url: https://xenbits.xen.org/xsa/advisory-215.html

Url: https://www.mend.io/vulnerability-database/CVE-2017-8905

Severity Score

8.8

Weakness Type (CWE)

Incorrect Calculation

CWE-682

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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