vulnerability
Debian: CVE-2022-28735: grub2 -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Jul 20, 2023 | Jul 30, 2024 | Jul 28, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Jul 20, 2023
Added
Jul 30, 2024
Modified
Jul 28, 2025
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.
Solution
debian-upgrade-grub2
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