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NULL Pointer Dereference Affecting xen package, versions <4.10.0-r2

Severity

 Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.06% (27th percentile)

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  • Snyk ID SNYK-ALPINE320-XEN-7012375
  • published 23 May 2024
  • disclosed 27 Feb 2018
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Introduced: 27 Feb 2018

CVE-2018-7542 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 xen to version 4.10.0-r2 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.

An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.