<p>Upgrade <code>Alpine:3.15</code> <code>xen</code> to version 4.10.0-r2 or higher.</p>

Resource Exhaustion Affecting xen package, versions <4.10.0-r2

Snyk CVSS

Attack Complexity Low

Scope Changed

Availability High

Threat Intelligence

EPSS 0.06% (26^th percentile)

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Snyk ID SNYK-ALPINE315-XEN-1928510
published 21 Jul 2020
disclosed 27 Feb 2018

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Introduced: 27 Feb 2018

CVE-2018-7540 Open this link in a new tab CWE-400 Open this link in a new tab

How to fix?

Upgrade Alpine:3.15 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:3.15 relevant fixed versions and status.

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.