Linus Torvalds has explained why he's so "fed up with" Intel, AMD, Nvidia, and other such vendors due to their "buggy hardware".
Cpu vulnerability RSS
Microsoft and Intel, last month, confirmed a new CPU vulnerability called Downfall (GDS) which affects 7th, 8th 9th, 10th, and 11th Gen CPUs. The former has since deleted its mitigation-removal.
Microsoft and Intel have cautioned about a recent security vulnerability affecting 7th Gen, 8th Gen, 9th Gen, 10th Gen, and 11th Gen chips. This security vulnerability is called Downfall or GDS.
AMD Ryzen 3000, 4000 desktop chips, as well as Ryzen 5000, 4000, and some 7000 series mobile chips, are vulnerable to a new CPU vulnerability dubbed "Zenbleed". AMD confirms patches are coming soon.
An AMD fTPM side channel security flaw dubbed "faulTPM" has been discovered by researchers. This security bug can even bypass BitLocker and it affects modern Windows 11-supported Ryzen chips.
Microsoft has issued PowerShell scripts for multiple security vulnerabilities on Windows 11 and Windows 10. These are for speculative side channel attack CPU flaws, thirteen in total.
AMD's Zen 4 has been tested with the various Spectre variant mitigations and the performance is surprisingly good. In fact, overall, the Ryzen 7950X has managed to beat the unpatched system.
Modern Intel processors consisting of 10th Gen, 11th Gen and 12th Gen CPUs have been found to be vulnerable to a new "ÆPIC" security flaw. The vulnerability is able to exploit Intel's APIC MMIO.
AMD Zen-based processors with Simultaneous Multi-threading (SMT) like Ryzen, Threadripper, EPYC, and Athlon CPUs have been found to be vulnerable to a new “SQUIP” side-channel attack.
Several Intel CPUs from different generations have been found to be susceptible to new processor vulnerabilities related to MMIO Stale Data. Microsoft and Intel have published advisories about it.
Testing the new retpoline mitigation on AMD for Spectre v2 shows that the performance loss with the new patch is nowhere nearly as big as the performance impact incurred by Intel processors.
Intel and ARM are vulnerable to the Spectre-BHB flaw, but AMD is apparently troubled by Spectre v2, which it should have fixed back in 2018. AMD has now issued a new fix for the CVE-2017-5715 bug.
A new CPU exploit based on the infamous Spectre v2 has been discovered. However, when the security patch is applied it can affect performance by up to 36%, that's according to a recent study.
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