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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 2 - Core | grub2 | 2023-07-17 17:40 | ALAS2-2023-2146 |
Amazon Linux 2023 | grub2 | 2023-02-17 20:43 | ALAS2023-2023-020 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |