Improper Input Validation Affecting kernel-uek package, versions <0:4.1.12-103.9.4.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2522699
  • published10 Apr 2022
  • disclosed28 Nov 2016

Introduced: 28 Nov 2016

CVE-2016-9191  (opens in a new tab)
CWE-20  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.1.12-103.9.4.el7uek or higher.
This issue was patched in ELSA-2017-3640.

NVD Description

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

The cgroup offline implementation in the Linux kernel through 4.8.11 mishandles certain drain operations, which allows local users to cause a denial of service (system hang) by leveraging access to a container environment for executing a crafted application, as demonstrated by trinity.