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Race Condition Affecting kernel-debug package, versions <0:2.6.32-754.el6

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2522840
  • published10 Apr 2022
  • disclosed27 Feb 2018
Report a new vulnerability Found a mistake?

Introduced: 27 Feb 2018

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

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-754.el6 or higher.
This issue was patched in ELSA-2018-1854.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Oracle. See How to fix? for Oracle:6 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.

References