Resource Exhaustion Affecting python3-perf package, versions <0:4.18.0-348.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3PERF-2136438
  • published11 Aug 2021
  • disclosed20 Jul 2021

Introduced: 20 Jul 2021

CVE-2021-3679  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-perf to version 0:4.18.0-348.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-perf package and not the python3-perf package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.

CVSS Scores

version 3.1