Do you trust that Intel has this problem under control?
What do I need to do?
Performance can vary, as the impact of the KPTI mitigations depends on the rate of system calls made by an application. Patches for Windows devices are out now and the company is securing its cloud services, Microsoftsaidin a statement. Of course, mobile chip designer ARM has confirmed its vulnerability, but Google says the January 2018 security update is a first step.
It's important for all users to update their devices when new updates are released.
Intelsays it has already issued updates for the majority of its processor products released in the last five years.
Hardware fixes are, by nature, much slower and more hard (and more expensive!) than software fixes.
What are these updates trying to fix? Spectre enables one process to access the memory space of another process, making data vulnerable to be read. But hopefully Intel has found a way to truly make its processors immune via software.
"The bug basically melts security boundaries which are normally enforced by the hardware", the researchers wrote.
Both Meltdown and Spectre reportedly could allow intruders to steal all of the data stored in the memory of a computer using one of the affected chips, but one is much easier to fix. The processors are found in virtually all modern phones, computers, and servers.
It's related to Meltdown, but differs in a number of ways that the researchers detail in a pair of technical papers. It's been identified on processors made by Intel, AMD and ARM, according to researchers.
The three lawsuits-filed in California, Indiana, and Oregon (PDF)-cite not just the security vulnerabilities and their potential impact, but also Intel's response time to them. In some cases, it might be possible to upgrade microcode-extremely low-level instructions that help implement more complex functionality on modern processors-to prevent Spectre attacks, and it may be possible to patch some software to reduce vulnerabilities.
The two hardware bugs discovered can be exploited to allow the memory content of a computer to be leaked. If the claims hold, it would mean Intel and others have avoided the catastrophic slowdowns that many had predicted. However, the researchers warn Meltdown can be used to access data from beyond the virtual machine - data from the host computer, or even inside other customers' virtual machines.
Security experts have said highly regulated sectors of industry, such as government offices and public health institutions, are most at risk of compromise as a result of the chip security vulnerability.
Intel said it is working with other chipmakers, including AMD and ARM Holdings, to solve the issue.
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