VDB

DEBIAN-CVE-2022-28735

DEBIAN-CVE-2022-28735 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:13grub20, 0, 0
Debian:14grub20, 0, 0
Debian:12grub20, 0, 0
Debian:11grub22.06-2, 2.06-2, 2.06-2

Timeline

  • Jul 20, 2023 CVE Published
  • Apr 28, 2026 CVE Updated
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