On Mon, Apr 22, 2024 at 8:26 AM Klaus-Peter Schrage via users < users@lists.fedoraproject.org> wrote:
> [...] > I have checked/rechecked three times: > /boot/efi/EFI/fedora/grub.cfg with flag "--root-dev-only": grub goes to > prompt, $prefix is obviously not set. > /boot/efi/EFI/fedora/grub.cfg without "--root-dev-only": grub menu is > displayed, $prefix is correctly set to (hd0,1)/grub2. > > After that I think you are deeper into grub2 than my experience goes. > > I.e., is $dev getting set correctly? etc. > Well, I am deeper into grub2 since two day or so. The discussion in this > thread (and further reading induces) gave me a faint insight. > (I really was a fan of the ancient grub and its simple possibility to > add custom splash pictures to the grub menu: > http://www.schragehome.de/splash/ - but that is truely outdated). > > Some googling about "--root-dev-only" showed that it has been introduced > in very recent grub packages (mine are 2.06-118) to cure a certain > vulnerability (CVE-2023-4001). I found a bugzilla about that: > https://bugzilla.redhat.com/show_bug.cgi?id=2263369 > > So I am not sure if this is a real solution, but for me at least a > viable workaround. > Thanks to all who contributed! > Just upgraded 2 systems to Fedora 40 one on an internal drive and one an external drive and don't have "--root-dev-only" on either box. I have grub2-tools-minimal-1:2.06-119.fc40.x86_64. Checking the src RPM page < https://src.fedoraproject.org/fork/jwrdegoede/rpms/grub2/commits/master#>: This branch contains 1 commits <https://src.fedoraproject.org/fork/jwrdegoede/rpms/grub2/commits/master#> not in the upstream grub2 master *Add support for setting boot_success / boot_indeterminate grubenv flags* <https://src.fedoraproject.org/fork/jwrdegoede/rpms/grub2/c/e8a6d3e8a1ec05499d2a44b6760114e73852fbad> Hans de Goede • 5 years ago -- George N. White III
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