Linked by Thom Holwerda on Mon 29th Jan 2018 23:17 UTC

Microsoft has released an update that disables Intel's microcode Spectre mitigations.

Intel has reported issues with recently released microcode meant to address Spectre variant 2 (CVE 2017-5715 Branch Target Injection) - specifically Intel noted that this microcode can cause "higher than expected reboots and other unpredictable system behavior" and then noted that situations like this may result in "data loss or corruption". Our own experience is that system instability can in some circumstances cause data loss or corruption. On January 22, Intel recommended that customers stop deploying the current microcode version on affected processors while they perform additional testing on the updated solution. We understand that Intel is continuing to investigate the potential effect of the current microcode version, and we encourage customers to review their guidance on an ongoing basis to inform their decisions.

This whole thing is a mess.

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RE[2]: No solution
by CaptainN- on Tue 30th Jan 2018 15:25 UTC in reply to "RE: No solution"
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It's a design flaw, which in software at least, can still be called a bug. It does do what it was designed to do, but due to an oversight, it has a security problem that no one noticed for a long period of time.

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