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Information Exposure Affecting kernel-uek-devel package, versions <0:4.1.12-124.15.1.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2528436
  • published10 Apr 2022
  • disclosed27 Nov 2017
Report a new vulnerability Found a mistake?

Introduced: 27 Nov 2017

CVE-2017-16994  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:4.1.12-124.15.1.el7uek or higher.
This issue was patched in ELSA-2018-4108.

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 walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.