Items tagged with meltdown

There is a lot of buzz surrounding Meltdown and Spectre, two recently disclosed chip vulnerabilities that have hardware and software makers scrambling to release patches to deal with the situation. What is not fully known yet is what performance impact these patches will have. Regardless of how all it shakes out, some of Intel's data center customers that run cloud networks are looking to jump ship. The chip flaws, if you want to call them that (and many do, though Intel claims its processors are working as intended) collectively affect all modern CPUs to some extent. However, Intel's silicon seems to be the most affected, as the way they are designed leaves them susceptible to both types of... Read more...
The PC industry is still trying to come to grips with the fallout from the revelation of the Meltdown and Spectre chip vulnerabilities. Meltdown only affects Intel processors, while Spectre -- the more serious exploit -- affects processors from Intel, AMD, and ARM. Hardware OEMs and OS manufactures have banded together to release patches to help mitigate the effects of any attacks based on Meltdown or Spectre, although some of those patches have been disastrous. For its part, Microsoft is addressing some of the performance ramifications for installing patches to mitigate the Meltdown and Spectre vulnerabilities. Windows Chief Terry Myerson describes three exploits (two for Spectre, one for Meltdown)... Read more...
Microsoft certainly meant well by releasing patches to address the serious Meltdown and Spectre chip security vulnerabilities that have been making news for the past week. However, the company's efforts to put the kibosh on Meltdown and Spectre had the unfortunate side effect of crippling many machines running AMD processors. If there's any good news to these frequent reports of machines that are unable to boot after applying the patches, it's that the problem seems to mainly affect older AMD processors, like the Athlon X2 6000+. Given the many reports of [now] inoperable systems, Microsoft has taken the security patches for Meltdown and Spectre offline. Microsoft provided the following statement... Read more...
Late last week, Apple confirmed that its iOS-based iPhones and iPads along with its Mac computers are vulnerable to the Meltdown and Spectre exploits (which we have covered in great detail over the past week). At the time, Apple confirmed that it silently introduced “mitigations” in previous updates to iOS, macOS and tvOS to help better defend against the Meltdown vulnerability. "In the coming days we plan to release mitigations in Safari to help defend against Spectre," said Apple on Friday. "We continue to develop and test further mitigations for these issues and will release them in upcoming updates of iOS, macOS, and tvOS." True to its word, Apple today released two new updates:... Read more...
Microsoft has begun rolling out security patches to deal with Meltdown and Spectre, the names given to a pair of vulnerabilities that between the two affect practically every modern processor made by Intel, AMD, and ARM. Intel seems to be the most impacted of them all, though some AMD users are suffering from the fallout more than others—there are complaints that Microsoft's emergency patch is bricking some AMD systems. From sifting through the early complaints, the issue seems to be limited to older AMD processors, such as the Athlon 64 X2 6000+ and similar chips that were released more than a decade ago. Here's a look at the opening post in a thread on Microsoft's support forum that is... Read more...
Chip-level bugs Meltdown and Spectre continue to land chip-maker Intel in hot water. What do you do when every single chip you’ve produced since 1995 is now facing two of the most pervasive bugs your company has possibly ever experienced? Linux creator Linus Torvald brazenly suggests, honesty and complete candid admission of the real issues and solutions at hand, are the only true ways for Intel to navigate this PR and logistics nightmare. Earlier in the week, it was discovered that the two flaws exist in the company's chips dating back a decade or more. Intel has since been scrambling to clean things up on both the PR and technical side. Through Meltdown and Spectre hackers can access... Read more...
Unless you perform high level calculations on an abacus, chances are high that yes, you are affected by the recently disclosed Meltdown and Spectre vulnerabilities. Between the two, practically every modern processor is vulnerable, including Intel CPUs dating back more than a decade, along with AMD and ARM chips. And yes, if you are entrenched in the Apple ecosystem, you too are affected by all this. But don't just take our word for it—in case there remains any question, Apple confirmed that its platforms are not immune. "Security researchers have recently uncovered security issues known by two names, Meltdown and Spectre. These issues apply to all modern processors and affect nearly all... Read more...
Security researchers this week dropped a bombshell on pretty much everyone who owns a computer, saying there are inherent flaws in modern processors that could allow an attacker to access sensitive information, including passwords and other contents stored in what's supposed to be protected memory. At first it was reported that only Intel processors were affected, but later analysis has revealed that AMD and ARM chips are flawed as well. It's a stinky situation, right? Well, yes, it certainly is. But it doesn't have to be dire. To quickly rehash, the flaws have been dubbed Meltdown and Spectre. It was the former that was talked about most at the beginning, and for the time being, it seems limited... Read more...
The tech industry is still trying to recover from the fallout surrounding the Meltdown and Spectre vulnerabilities that were disclosed this week. Intel, AMD, Apple, Microsoft, ARM, and other key players in the hardware and software arena have been working for months in secret to patch the exploits, but keen investigative reporting forced the companies to show their hand over the past 48 hours. For its part, Intel says that it is well along in deploying updates to address Meltdown and Spectre exploits that affect its processors. Intel has been working with hardware partners to deliver both firmware and software patches to help mitigate any ill-effects that could wreak havoc not only on personal... Read more...
If you've been following the tech or security news for the past few days, then you no doubt know of a security vulnerability that reportedly affects all Intel processors. OS vendors have been working to mitigate the issue with kernel patches, but those software Band-Aids can come with some performance handicaps as a side effect. Today, we're learning more about what exactly is going on, and that there are not one, but actually two vulnerabilities that have been disclosed. It's bad enough that one of them targets Intel processors, but the second affects ALL modern processors as well -- including those based on architectures from Intel, AMD and ARM. So, we present to you Meltdown and Spectre.... Read more...
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