CVE-2020-26541

CVE Details

Release Date:

2020-10-02

Description

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.

See more information about CVE-2020-26541 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	6.5	Base Metrics:	AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	Required
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5912	2020-11-06
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5912	2020-11-06
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5913	2020-11-10
Oracle Linux version 8 (kernel)	ELSA-2021-2570	2021-07-01

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team