Out-of-bounds Read Affecting python-perf package, versions <0:4.14.256-197.484.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERF-10265507
  • published30 May 2025
  • disclosed22 May 2024

Introduced: 22 May 2024

CVE-2021-47478  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf to version 0:4.14.256-197.484.amzn2 or higher.
This issue was patched in ALAS2-2025-2752.

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.

In the Linux kernel, the following vulnerability has been resolved:

isofs: Fix out of bound access for corrupted isofs image

When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

CVSS Base Scores

version 3.1