AMD confirms its chips are vulnerable to Spectre, is rolling out fixes

Nvidia's software developers will be, like AMD, providing collaborative help to OS vendors to strengthen mitigations for affected CPUs that could be affected by For GPZ Variant 1 and 2 (Spectre). The fixes reportedly rendered a smaller number of systems unbootable.

Meltdown and Spectre are bad news with a capital B. While Intel has gotten most of the ink for its design mistakes, AMD chips, contrary to what you might have heard, aren't completely safe either.

"We have received reports from a few customers of higher system reboots after applying firmware updates", Navin Shenoy, executive vice president and general manager of Intel's data center group, said in the statement.

Your personal computers will be less than 10 percent slower after you install the Spectre/Meltdown fix, Intel has revealed in a blog post. As a part of that vigilance, I wanted to update the community on our actions to address the situation. The complaint cited reports that Intel had been warned of the problem.

Browsing the web and using applications will see some performance reduction, and usage of heavy applications will see that increase again, as Intel explained: "In certain cases, some users may see a more noticeable impact".

Internet and networking equipment maker Cisco Systems said in a security advisory that it has identified 18 vulnerable products, including some of its blade servers, rack servers and routers, and expects to have patches for servers in about five weeks. The company immediately began engineering work on updates to mitigate the risk. These threats seek to circumvent the microprocessor architecture controls that preserve secure data. Apple Watch is not affected by Meltdown.

Testing both Kaby Lake and Coffee Lake platforms (the 8th generation of Intel processors) the firm saw performance degrade by 6 percent during the SYSMark2014SE, which tests workloads such as office productivity and media creation.

Unfortunately, users that have systems with older AMD processors on their systems will have to wait for appropriate updates from AMD and Microsoft. These techniques potentially make items in kernel memory available to user processes by taking advantage of a delay in the time it may take the CPU to check the validity of a memory access call. To accelerate the security of the entire industry, we commit to publicly identify significant security vulnerabilities following rules of responsible disclosure and, further, we commit to working with the industry to share hardware innovations that will accelerate industry-level progress in dealing with side-channel attacks.

The updates are intended to address a security flaw that affects nearly every Intel processor produced since 1995.

(Derechos de autor © 2015. Todos los derechos reservados.)
 
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