Out-of-bounds Write Affecting kernel-uek-tools package, versions <0:4.14.35-2025.402.2.1.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKTOOLS-2579750
  • published10 Apr 2022
  • disclosed18 Sept 2020

Introduced: 18 Sep 2020

CVE-2020-14390  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-tools to version 0:4.14.35-2025.402.2.1.el7uek or higher.
This issue was patched in ELSA-2020-5913.

NVD Description

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

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.

CVSS Scores

version 3.1