CVE-2022-28735

CVE Details

Release Date:

2022-06-07

Description

The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.

See more information about CVE-2022-28735 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:	6.7	Base Metrics:	AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (grub2)	ELSA-2022-9469	2022-06-07
Oracle Linux version 7 (grub2)	ELSA-2023-12952	2023-10-27
Oracle Linux version 8 (grub2)	ELSA-2022-9471	2022-06-07
Oracle Linux version 8 (grub2)	ELSA-2022-9595	2022-07-14
Oracle Linux version 9 (grub2)	ELSA-2022-9596	2022-07-14

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