Security News

A year after Spectre and Meltdown, how well do patches work?
2018-12-21 11:00

Attempts to mitigate the landmark vulnerabilities have caused crashes, sudden reboots, and performance degradations. Here's the progress report on the Spectre and Meltdown solution.

In case you're not already sick of Spectre... Boffins demo Speculator tool for sniffing out data-leaking CPU holes
2018-12-07 23:59

First proof-of-concept, SplitSpectre, requires fewer instructions in victim Analysis You've patched your Intel, AMD, Power, and Arm gear to crush those pesky data-leaking speculative execution...

Spectre mitigation guts Linux 4.20 performance
2018-11-26 11:43

One of Intel’s fixes for the Spectre variant 2 chip flaw appears to have taken a big bite out of the performance of the latest Linux kernel.

Linux kernel Spectre V2 defense fingered for massively slowing down unlucky apps on Intel Hyper-Thread CPUs
2018-11-20 01:34

This is on by default? 'Yikes' says Chipzilla techie Linux supremo Linus Torvalds has voiced support for a kernel patch that limits a previously deployed defense against Spectre Variant 2, a...

Another Meltdown, Spectre scare: Data-blabbing holes continue to haunt Intel, AMD, Arm
2018-11-14 21:38

CPU slingers insist existing defenses will stop attacks – but eggheads disagree Computer security researchers have uncovered yet another set of transient execution attacks on modern CPUs that...

More Spectre/Meltdown-Like Attacks
2018-11-14 21:30

Back in January, we learned about a class of vulnerabilities against microprocessors that leverages various performance and efficiency shortcuts for attack. I wrote that the first two attacks...

Researchers Disclose 7 New Meltdown, Spectre Attacks
2018-11-14 17:59

A team of researchers has described seven new variants of the notorious Meltdown and Spectre attacks, and they claim some of these methods are not mitigated by existing patches, but Intel...

Researchers discover seven new Meltdown and Spectre attacks
2018-11-14 17:54

Experiments showed that processors from AMD, ARM, and Intel are affected.

7 New Meltdown and Spectre-type CPU Flaws Affect Intel, AMD, ARM CPUs
2018-11-14 15:33

Disclosed earlier this year, potentially dangerous Meltdown and Spectre vulnerabilities that affected a large family of modern processors proven that speculative execution attacks can be exploited...

Spectre, Meltdown researchers unveil 7 more speculative execution attacks
2018-11-14 01:50

Systemic analysis reveals a range of new issues, and a need for new mitigations.