Access Restriction Bypass Affecting xen package, versions <4.6.0-1ubuntu4.3


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-UBUNTU1604-XEN-367150
  • published26 Jan 2017
  • disclosed26 Jan 2017

Introduced: 26 Jan 2017

CVE-2016-10013  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 xen to version 4.6.0-1ubuntu4.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation.