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Race Condition Affecting kernel-rt-trace package, versions <0:3.10.0-862.rt56.804.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELRTTRACE-4752785
  • published26 Jul 2021
  • disclosed1 Nov 2017
Report a new vulnerability Found a mistake?

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)
First added by Snyk

How to fix?

Upgrade RHEL:7 kernel-rt-trace to version 0:3.10.0-862.rt56.804.el7 or higher.
This issue was patched in RHSA-2018:0676.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace package and not the kernel-rt-trace package as distributed by RHEL. See How to fix? for RHEL: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.