CVE-2022-28735

Published: Jul 20, 2023

Modified: Feb 13, 2025

PUBLISHED

CVSS v3.1

6.7

MEDIUM

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.

Vendor	Product	Versions
GNU Project	GNU GRUB	affected `0 - < 2.06-3`

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.openwall.com/lists/oss-security/2022/06/07/5

mailing-list

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735

issue-tracking

https://security.netapp.com/advisory/ntap-20230825-0002/

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CVE-2022-28735

Description

Affected Products

CVSS v3.1 Details

References