CVE-2020-26541 Affecting bpftool package, versions <0:4.18.0-305.7.1.el8_4


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (23rd 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 IDSNYK-ROCKY8-BPFTOOL-3288232
  • published3 Feb 2023
  • disclosed2 Oct 2020

Introduced: 2 Oct 2020

CVE-2020-26541  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 bpftool to version 0:4.18.0-305.7.1.el8_4 or higher.
This issue was patched in RLSA-2021:2570.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.

CVSS Scores

version 3.1