CVE-2016-9817

MEDIUM

Xen - Improper Access Control

Title source: rule

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.

References (8)

[Mailing List, Mitigation, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/11/29/3

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/12/05/7

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/94581

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1037358

[Mitigation, Patch, Vendor Advisory] http://xenbits.xen.org/xsa/advisory-201.html

[Patch, Vendor Advisory] http://xenbits.xen.org/xsa/xsa201-3-4.7.patch

[Patch, Vendor Advisory] http://xenbits.xen.org/xsa/xsa201-3.patch

[Third Party Advisory] https://security.gentoo.org/glsa/201612-56

Scores

CVSS v3 6.5

EPSS 0.0010

EPSS Percentile 26.9%

Attack Vector LOCAL

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

Classification

CWE

CWE-284

Status published

Affected Products (3)

xen/xen

n/a/n/a

Timeline

Published Feb 27, 2017

Tracked Since Feb 18, 2026