Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2022-28735

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.

  • Published: Jul 20, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2022-28735
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.7
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

No CWE or OWASP classifications available.

Software From Fixed in
gnu / grub2 2.00 2.06-3