Linux Foundation comes up with a solution to UEFI secure boot
Here's another thing I found in the Forum eBulletin. Basically what is being suggested is a digitally-signed "pre-boot" which then chain-loads your Linux bootloader. To ensure that the pre-boot does not get corrupted by malware, it would not load anything without the user's OK.
UEFI Secure Boot Fix Released
The Linux Foundation's fix for UEFI Secure Boot has reportedly been released, but I have no idea about how well it works:
Linux Foundation Secure Boot System Released