CVE-2016-9817 Information

Description

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2016/11/29/3 http://www.openwall.com/lists/oss-security/2016/12/05/7 http://www.securityfocus.com/bid/94581 http://www.securitytracker.com/id/1037358 http://xenbits.xen.org/xsa/advisory-201.html http://xenbits.xen.org/xsa/xsa201-3.patch http://xenbits.xen.org/xsa/xsa201-3-4.7.patch https://security.gentoo.org/glsa/201612-56

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5