Double Free Affecting kernel-uek-doc package, versions <0:4.14.35-2047.508.3.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (12th 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 Double Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE7-KERNELUEKDOC-2599814
  • published10 Apr 2022
  • disclosed8 Jun 2021

Introduced: 8 Jun 2021

CVE-2021-3564  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-doc to version 0:4.14.35-2047.508.3.el7uek or higher.
This issue was patched in ELSA-2021-9485.

NVD Description

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

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

CVSS Scores

version 3.1