From Dark Reading on 1/24/18:
Intel provided another update on advice for patching:
From Dark Reading on 1/23/18:
Intel Says to Stop Applying Problematic Spectre, Meltdown Patch
Cause of reboot problems with its Broadwell and Haswell microprocessor patching now identified, the chipmaker said.
Intel is now advising its customers and partners to halt the installation of patches for its Broadwell and Haswell microprocessor systems in the wake of recent reports of reboot problems.
Intel issued an update on 1/11/18: https://newsroom.intel.com/news/intel-security-issue-update-addressing-reboot-issues/
From The Verge on 1/11/18:
AMD is releasing Spectre firmware updates to fix CPU vulnerabilities