Use After Free Affecting kernel-uek package, versions <0:5.4.17-2036.102.0.2.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.83% (53rd percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2596963
  • published10 Apr 2022
  • disclosed3 Dec 2020

Introduced: 3 Dec 2020

CVE-2020-14381  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:5.4.17-2036.102.0.2.el7uek or higher.
This issue was patched in ELSA-2021-9006.

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.

A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Base Scores

version 3.1