CVE-2016-2271

MEDIUM

Xen - Denial of Service

Title source: rule

Description

VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

References (7)

[Vendor Advisory] http://support.citrix.com/article/CTX209443

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1035043

[Patch, Vendor Advisory] http://xenbits.xen.org/xsa/advisory-170.html

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3519

[Third Party Advisory] https://security.gentoo.org/glsa/201604-03

Scores

CVSS v3 5.5

EPSS 0.0007

EPSS Percentile 20.3%

Attack Vector LOCAL

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

Classification

Status draft

Affected Products (2)

xen/xen

Timeline

Published Feb 19, 2016

Tracked Since Feb 18, 2026