🛡️ CVE-2022-28735
🟡 CVSS 6.7 — Medium ✅ No Known Exploit NVD
6.7
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 6.7
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2023-07-20
Updated 2026-06-08
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
grub2 2.00 2.06-3

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