Incomplete Cleanup Affecting xen package, versions <4.16.2-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
5.78% (93rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-XEN-18388871
  • published29 Jul 2026
  • disclosed15 Jun 2022

Introduced: 15 Jun 2022

CVE-2022-21166  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Echo:latest xen to version 4.16.2-1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

References

CVSS Base Scores

version 3.1