Out-of-bounds Write Affecting python-perf package, versions <0:3.10.0-1160.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2177367
  • published26 Jul 2021
  • disclosed13 May 2020

Introduced: 13 May 2020

CVE-2020-10742  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-1160.el7 or higher.

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.

A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index after one memory allocation by kmalloc will cause a kernel panic. The highest threat from this vulnerability is to data confidentiality and system availability.

CVSS Scores

version 3.1