Improper Cross-boundary Removal of Sensitive Data Affecting xen package, versions <4.11.4-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.43% (35th percentile)

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  • Snyk IDSNYK-ECHOLATEST-XEN-18388809
  • published29 Jul 2026
  • disclosed14 Apr 2020

Introduced: 14 Apr 2020

CVE-2020-11740  (opens in a new tab)
CWE-212  (opens in a new tab)

How to fix?

Upgrade Echo:latest xen to version 4.11.4-1 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.

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

CVSS Base Scores

version 3.1