Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2023-4001: The "/boot/efi/EFI/fedora/grub.cfg" configuration file allows an unprivileged user with physical access to a computer to bypass the GRUB password protection feature on many (but not all) UEFI-based systems.
Fixed packages 24
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | grub2-common | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-debuginfo | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-debugsource | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-aa64 | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-aa64-cdboot | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-aa64-ec2 | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-aa64-modules | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-x64 | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-x64-cdboot | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-x64-ec2 | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-efi-x64-modules | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-emu | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-emu-debuginfo | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-emu-modules | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-pc | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-pc-modules | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-debuginfo | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-efi | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-efi-debuginfo | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-extra | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-extra-debuginfo | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-minimal | 1:2.06-61.amzn2023.0.11 |
| Amazon Linux · 2023 | grub2-tools-minimal-debuginfo | 1:2.06-61.amzn2023.0.11 |
Vulnerabilities 1
-
Medium 6.8
Grub2: bypass the grub password protection feature
An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external driv…
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2023-4001.html