CVE-2022-28735

State: Published
Severity: 6.7 Medium
Published: Jul 20, 2023
Updated: Feb 13, 2025
Reserved: Apr 5, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	6.7 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	canonical

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
GNU GRUBGNU Project	before 2.06-3Affected

References

https://www.openwall.com/lists/oss-security/2022/06/07/5mailing-list
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735issue-tracking
https://security.netapp.com/advisory/ntap-20230825-0002/

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