Improper Resource Shutdown or Release Affecting xen package, versions <4.16.3-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ALPINE316-XEN-3183838
  • published20 Nov 2022
  • disclosed11 Oct 2022

Introduced: 11 Oct 2022

CVE-2022-33746  (opens in a new tab)
CWE-404  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.16.3-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:3.16 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.

CVSS Scores

version 3.1