CVE-2016-9817

MEDIUM
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

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

Details

Source: MITRE

Published: 2017-02-27

Updated: 2017-07-28

Type: CWE-284

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
96231GLSA-201612-56 : Xen: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
96113Fedora 24 : xen (2016-bcbae0781f)NessusFedora Local Security Checks
high
96025Fedora 23 : xen (2016-cc2916dcf4)NessusFedora Local Security Checks
high