Out-of-bounds Write Affecting python3-perf package, versions <0:4.18.0-305.12.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.21% (61st percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3PERF-2116238
  • published26 Jul 2021
  • disclosed7 Jul 2021

Introduced: 7 Jul 2021

CVE-2021-22555  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-perf to version 0:4.18.0-305.12.1.el8_4 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 heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

CVSS Scores

version 3.1