Improper Cross-boundary Removal of Sensitive Data Affecting xen-devel package, versions <4.10.4_10-3.31.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES150-XENDEVEL-2708743
  • published14 Apr 2022
  • disclosed17 Jun 2020

Introduced: 17 Jun 2020

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

How to fix?

Upgrade SLES:15.0 xen-devel to version 4.10.4_10-3.31.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen-devel package and not the xen-devel package as distributed by SLES. See How to fix? for SLES:15.0 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