Improper Resource Shutdown or Release Affecting xen package, versions <4.15.4-r0


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Availability High

    Threat Intelligence

    EPSS 0.05% (13th percentile)
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NVD
6.5 medium
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SUSE
5.3 medium

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  • Snyk ID SNYK-ALPINE314-XEN-3136176
  • published 20 Nov 2022
  • disclosed 11 Oct 2022

How to fix?

Upgrade Alpine:3.14 xen to version 4.15.4-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:3.14 relevant fixed versions and status.

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.