Improper Access Control Affecting xen package, versions <4.7.1-r3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ALPINE316-XEN-2845079
  • published21 Jul 2020
  • disclosed27 Feb 2017

Introduced: 27 Feb 2017

CVE-2016-9818  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.7.1-r3 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 Alpine. See How to fix? for Alpine:3.16 relevant fixed versions and status.

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving an asynchronous abort while at HYP.