<p>Upgrade <code>Alpine:3.20</code> <code>xen</code> to version 4.13.0-r3 or higher.</p>

Information Exposure Affecting xen package, versions <4.13.0-r3

Threat Intelligence

0.05% (20^th percentile)

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Snyk ID SNYK-ALPINE320-XEN-7012533
published 23 May 2024
disclosed 14 Apr 2020

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Introduced: 14 Apr 2020

CVE-2020-11740 Open this link in a new tab CVE-2020-11741 Open this link in a new tab CWE-200 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 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:3.20 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.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

None
Availability (A)

None