Exposure of Resource to Wrong Sphere Affecting xen package, versions <4.9.0-r6


0.0
high

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-ALPINE314-XEN-1308697
  • published 21 Jul 2020
  • disclosed 18 Oct 2017

How to fix?

Upgrade Alpine:3.14 xen to version 4.9.0-r6 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 4.9.x allowing x86 HVM guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because self-linear shadow mappings are mishandled for translated guests.