Some more information: linux-image-5.19.0-2-amd64/now 5.19.11-1 (not affected) linux-image-6.0.0-1-amd64/now 6.0.2-1+b1 (affected) linux-image-6.0.0-2-amd64/unstable,now 6.0.3-1 (affected) linux-image-6.0.5/now 6.0.5-1 (custom vanilla kernel build, affected)
Other relevant package versions (no recent changes): efibootmgr/unstable,now 17-1 efivar/unstable,now 37-6 libefivar1/unstable,now 37-6 grub-common/unstable,now 2.06-4 grub-efi-amd64/unstable,now 2.06-4 grub-efi-amd64-bin/unstable,now 2.06-4 grub-efi-amd64-signed/unstable,now 1+2.06+4 grub2-common/unstable,now 2.06-4 Feel free to ask for more information, logs or additional tests. Regards