(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.
(replying to #245)
The readme for Thinkpad S440 BIOS mentioned by @Tommy is rather interesting:
[Important Fix] 201708- 001.
- Security Fix: Intel TA201708-001 for SPI Write status command.
- Add Back Flash Prevention flag for PSIRT-TA-
Somehow it sounds related to this issue.