Divide By Zero Affecting xen package, versions <4.16.5-r2


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-ALPINE316-XEN-5924812
  • published28 Sept 2023
  • disclosed8 Aug 2023

Introduced: 8 Aug 2023

CVE-2023-20588  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.16.5-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:3.16 relevant fixed versions and status.

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

References

CVSS Scores

version 3.1