Race Condition Affecting python-perf package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (25th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2012064
  • published26 Jul 2021
  • disclosed2 Jun 2020

Introduced: 2 Jun 2020

CVE-2020-29374  (opens in a new tab)
CWE-362  (opens in a new tab)
First added by Snyk

How to fix?

There is no fixed version for Centos:7 python-perf.

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 Centos. See How to fix? for Centos:7 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.

CVSS Scores

version 3.1