VULNERABILITY INTELLIGENCE

CVE-2022-28735

CVSS score6.7 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2023-07-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references