3 ms·
selling recent hardware with those bugs still there???
by sylware 5y ago
selling recent hardware with those bugs still there???
- NobodyNada 5y agoIndirect branch tracking protects against more than just Spectre. Its primary motivation is protecting control-flow integrity; i.e. mitigating vulnerabilities that involve corrupting a function pointer to get arbitrary code execution. CFI techniques have been around for a long time [0], though they have usually been implemented in software rather than hardware. This new Intel feature is a hardware implementation of these existing techniques, in order to reduce the performance impact. [0]: https://en.wikipedia.org/wiki/Control-flow_integrity https://en.wikipedia.org/wiki/Control-flow_integrity