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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-uek-devel package, versions <0:4.1.12-124.28.6.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2545902
  • published10 Apr 2022
  • disclosed1 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 1 Mar 2018

CVE-2017-18208  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:4.1.12-124.28.6.el7uek or higher.
This issue was patched in ELSA-2019-4710.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

The madvise_willneed function in mm/madvise.c in the Linux kernel before 4.14.4 allows local users to cause a denial of service (infinite loop) by triggering use of MADVISE_WILLNEED for a DAX mapping.

References