Race Condition Affecting kernel-uek-firmware package, versions <0:4.1.12-124.60.1.el6uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Race Condition vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE6-KERNELUEKFIRMWARE-2605623
  • published10 Apr 2022
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-20321  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-firmware to version 0:4.1.12-124.60.1.el6uek or higher.
This issue was patched in ELSA-2022-9088.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-firmware package and not the kernel-uek-firmware package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

CVSS Scores

version 3.1