Information Exposure Affecting python-perf-debuginfo package, versions <0:4.14.246-187.474.amzn2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERFDEBUGINFO-1703491
  • published27 Sept 2021
  • disclosed10 Mar 2022

Introduced: 27 Sep 2021

CVE-2021-3732  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf-debuginfo to version 0:4.14.246-187.474.amzn2 or higher.
This issue was patched in ALAS2-2021-1704.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf-debuginfo package and not the python-perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.

CVSS Scores

version 3.1