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m3n4.net April 23, 2018


Intel's fix for Meltdown and Spectre had a bug of its own

14 January 2018, 12:13 | Antoinette Holland

Recent firmware updates for Intel Haswell and Broadwell processors can cause “higher system reboots,” Intel says

Intel's fix for Meltdown and Spectre had a bug of its own

Since the major bugs of 2014, nothing has shaken hardware security so hard until the revelations around processors that hit at the start of 2018, dubbed "Meltdown" and "Spectre". Despite the company's promise of greater transparency going forward, the executive vice president and general manager of Intel's Data Center Group, Navin Shenoy, only confirmed these issues after an article by the Wall Street Journal had elucidated the problems.

After Spectre and Meltdown were reported earlier this month, Intel officially accepted the existence of the flaws and since then many tech companies have tried their hand at issuing an effective meltdown and spectre patch.

AMD To Begin Distributing Firmware Updates To Patch Spectre Vulnerability
The performance impact on 8th generation platforms (Kaby Lake, Coffee Lake) with SSDs is small. To date, no severe hack or data leak has been linked to the vulnerabilites.

In the meantime, Microsoft this week said it has "temporarily paused" patches for Windows customers running AMD processors after some users reported seeing the "blue screen of death" after the update was applied. Since "no mitigation is required" for variant 3, it won't be creating a patch for the vulnerability. "These systems are running Intel Broadwell and Haswell CPUs for both client and data center", it added.

Intel rolled out some patches to fix the dreaded Meltdown and Spectre vulnerabilities, but it is now advising customers not to install these security updates.

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Now Playing: Watch this: Intel addresses security flaws with company's chips at.

Just like for Intel CPUs, AMD processors will also require a microcode update to fix this issue. "These software updates will be provided by system providers and OS vendors; please check with your supplier for the latest information on the available option for your configuration and requirements". We are working quickly with these customers to understand, diagnose and address this reboot issue.

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Hackers may exploit the Meltdown and Spectre vulnerabilities to steal sensitive data stored in computers and mobile devices through a side-channel analysis attack.



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