Re:Intel Security Issue Update: Addressing Reboot Issues
by pritambaral on Friday January 12, 2018 @05:37PM
(#16136957)
No, it's not. Please read the website of the attacks created by those who discovered and named them: https://meltdownattack.com and https://spectreattack.com
Re:Intel Security Issue Update: Addressing Reboot Issues
by EgoIncarnate on Friday January 12, 2018 @05:32PM
(#16136932)
Potentially minimal is probably more accurate. It's workload dependent. In some cases, such as frequent interrupts or system calls on older CPUs without the PCID and INVPCIB features to mitigate the cost, it can be be very expensive.
While it's more easily exploited, it's also patchable with minimal performance impact, unlike Spectre in general.