Improper Check for Unusual or Exceptional Conditions Affecting xen package, versions <4.7.3-r2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-ALPINE35-XEN-1019893
  • published21 Oct 2020
  • disclosed28 Nov 2017

Introduced: 28 Nov 2017

CVE-2017-17044  (opens in a new tab)
CWE-754  (opens in a new tab)
CWE-755  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.5 xen to version 4.7.3-r2 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:3.5 relevant fixed versions and status.

An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service (infinite loop and host OS hang) by leveraging the mishandling of Populate on Demand (PoD) errors.