Double Free Affecting bpftool package, versions <0:4.18.0-372.32.1.el8_6


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.12% (48th 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-ALMALINUX8-BPFTOOL-5641274
  • published28 May 2023
  • disclosed25 Oct 2022

Introduced: 25 Oct 2022

CVE-2022-2588  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 bpftool to version 0:4.18.0-372.32.1.el8_6 or higher.
This issue was patched in ALSA-2022:7110.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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