Divide By Zero Affecting xen package, versions <4.16.5_08-150400.4.40.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-SLES154-XEN-6069681
  • published18 Nov 2023
  • disclosed17 Nov 2023

Introduced: 17 Nov 2023

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

How to fix?

Upgrade SLES:15.4 xen to version 4.16.5_08-150400.4.40.1 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 SLES. See How to fix? for SLES:15.4 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