Incorrect Calculation Affecting xen package, versions <4.7.1-r1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.06% (24th percentile)
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NVD
5.5 medium

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  • Snyk ID SNYK-ALPINE314-XEN-1308597
  • published 21 Jul 2020
  • disclosed 22 Feb 2017

How to fix?

Upgrade Alpine:3.14 xen to version 4.7.1-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:3.14 relevant fixed versions and status.

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.