Use After Free Affecting kernel-uek-tools-libs package, versions <0:5.4.17-2036.104.4.el7uek


Severity

Recommended
0.0
high
0
10

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 Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ORACLE7-KERNELUEKTOOLSLIBS-2598411
  • published10 Apr 2022
  • disclosed29 Jan 2021

Introduced: 29 Jan 2021

CVE-2021-3347  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-tools-libs to version 0:5.4.17-2036.104.4.el7uek or higher.
This issue was patched in ELSA-2021-9085.

NVD Description

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

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

References

CVSS Scores

version 3.1