Information Exposure Affecting xen package, versions <4.13.0-r3


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.05% (21st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALPINE316-XEN-2845654
  • published21 Jul 2020
  • disclosed14 Apr 2020

Introduced: 14 Apr 2020

CVE-2020-11740  (opens in a new tab)
CVE-2020-11741  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 xen to version 4.13.0-r3 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.

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 Scores

version 3.1