Race Condition Affecting kernel-tools-libs package, versions <0:3.10.0-862.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Race Condition vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS7-KERNELTOOLSLIBS-2101406
  • published26 Jul 2021
  • disclosed1 Nov 2017

Introduced: 1 Nov 2017

CVE-2017-18203  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-tools-libs to version 0:3.10.0-862.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs 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.