Gentoo Linux: CVE-2022-28735: GRUB: Multiple Vulnerabilities
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
09/25/2022
09/26/2022
09/26/2022
07/31/2023
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(s)
- gentoo-linux-upgrade-sys-boot-grub
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