Use After Free Affecting kernel-tools-devel package, versions <0:4.14.291-218.527.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (24th 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-AMZN2-KERNELTOOLSDEVEL-3022791
  • published14 Sept 2022
  • disclosed8 Jan 2024

Introduced: 14 Sep 2022

CVE-2022-2588  (opens in a new tab)
CWE-416  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.291-218.527.amzn2 or higher.
This issue was patched in ALAS2-2022-1838.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0.

CVSS Scores

version 3.1