Loop with Unreachable Exit Condition ('Infinite Loop') Affecting xen package, versions <4.10.1-r1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
6.5 medium

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  • Snyk ID SNYK-ALPINE315-XEN-1929210
  • published 21 Jul 2020
  • disclosed 10 May 2018

How to fix?

Upgrade Alpine:3.15 xen to version 4.10.1-r1 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:3.15 relevant fixed versions and status.

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (host OS infinite loop) in situations where a QEMU device model attempts to make invalid transitions between states of a request.