CVE-2020-26541 Affecting kernel-uek-devel package, versions <0:4.1.12-124.44.4.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2577656
  • published10 Apr 2022
  • disclosed2 Oct 2020

Introduced: 2 Oct 2020

CVE-2020-26541  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:4.1.12-124.44.4.el7uek or higher.
This issue was patched in ELSA-2020-5912.

NVD Description

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