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Improper Input Validation Affecting xen package, versions <4.7.0-r0

Severity

 Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.18% (57th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012621
  • published 23 May 2024
  • disclosed 2 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 2 Aug 2016

CVE-2016-6259 Open this link in a new tab
CWE-20 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.

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.