Apple, Intel downplay performance cost of fixing Meltdown, Spectre vulnerabilities

Apple, Intel downplay performance cost of fixing Meltdown, Spectre vulnerabilities

After addressing vulnerabilities in processors that left iOS and Mac devices open to security issues nicknamed Meltdown and Spectre, Apple is now convinced than the fixes rolled out to remedy the problems will have “little to no performance impact,” Reuters reports. Apple admitted that its devices were vulnerable to exploits that “abuse speculative execution to access privileged memory —including that of the kernel — from a less-privileged user process such as a malicious app running on a device,” but said fixes in iOS 11.2, macOS 10.13.2, and tvOS 11.2 already help defend against Meltdown — even though there have been no documented exploits affecting customers. Since the exploits would require a malicious app to be downloaded, the recommended course of action is to scrutinize apps before downloading and only download from trusted sources. Intel — the company that produces the affected microprocessors — said Apple had seen no significant performance drop off from security updates and that any impact should be mitigated over time with future updates.

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