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Time-of-check Time-of-use (TOCTOU) Affecting python-perf package, versions <0:3.10.0-862.el7

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-2101712
  • published26 Jul 2021
  • disclosed1 Nov 2017
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Introduced: 1 Nov 2017

CVE-2017-18203  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Centos:7 python-perf to version 0:3.10.0-862.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 dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.