Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python-perf package, versions <0:3.10.0-327.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2053921
  • published26 Jul 2021
  • disclosed13 Apr 2015

Introduced: 13 Apr 2015

CVE-2015-6526  (opens in a new tab)
CWE-835  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-327.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.

The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.

CVSS Scores

version 3.1