Buffer Overflow Affecting xen package, versions <4.9.0-r1


0.0
high

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (25th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-ALPINE315-XEN-1930246
  • published 21 Jul 2020
  • disclosed 24 Aug 2017

How to fix?

Upgrade Alpine:3.15 xen to version 4.9.0-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.

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.