Race Condition Affecting python-perf package, versions <0:4.14.209-160.335.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERF-1691709
  • published27 Sept 2021
  • disclosed26 May 2021

Introduced: 26 May 2021

CVE-2020-25668  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf to version 0:4.14.209-160.335.amzn2 or higher.
This issue was patched in ALAS2-2020-1566.

NVD Description

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

A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

CVSS Scores

version 3.1