(replying to #245) The readme for Thinkpad S440 BIOS mentioned by @Tommy is rather interesting:
[Important Fix] - Security Fix: Intel TA201708-001 for SPI Write status command. - Add Back Flash Prevention flag for PSIRT-TA-201708-001. Somehow it sounds related to this issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1734147 Title: Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1734147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs