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Improper Access Control Affecting xen package, versions <4.7.0-r0

Severity

 Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012592
  • published 23 May 2024
  • disclosed 2 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 2 Aug 2016

CVE-2016-6258 Open this link in a new tab
CWE-284 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xen to version 4.7.0-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:3.20 relevant fixed versions and status.

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.