Loop with Unreachable Exit Condition ('Infinite Loop') Affecting xen package, versions <4.12.1-r0


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.5 medium
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SUSE
5.1 medium

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  • Snyk ID SNYK-ALPINE314-XEN-1308450
  • published 21 Jul 2020
  • disclosed 8 Oct 2019

How to fix?

Upgrade Alpine:3.14 xen to version 4.12.1-r0 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:3.14 relevant fixed versions and status.

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a LoadExcl or StoreExcl operation.

References