Incorrect Bitwise Shift of Integer Affecting python-perf-debuginfo package, versions <0:4.14.309-231.529.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERFDEBUGINFO-5789101
  • published20 Jul 2023
  • disclosed12 Jun 2023

Introduced: 12 Jun 2023

CVE-2023-3161  (opens in a new tab)
CWE-1335  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf-debuginfo to version 0:4.14.309-231.529.amzn2 or higher.
This issue was patched in ALAS2-2023-1987.

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 Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

CVSS Scores

version 3.1