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

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELBOOTWRAPPER-2102343
  • published 26 Jul 2021
  • disclosed 1 Nov 2017
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Introduced: 1 Nov 2017

CVE-2017-18203 Open this link in a new tab
CWE-362 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

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

NVD Description

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