Spectre is back from the dead

Stefan Mileschin · 14th March 2022, 07:08

Harder to kill than Dracula

The embarrassing defect in Intel CPUs Spectre appears to have made a comeback.

It appears that someone has managed to gather a ring belonging to idiot that created the flaw, chanted over a grave at midnight and rebuilt the whole crisis again from the dust of its corpse.

Security research group VUSec and Intel confirmed the existence of a new speculative execution vulnerability labeled branch history injection (BHI).

Classified as a by-product of Spectre V2, BHI is a proof-of-concept exploit capable of leaking arbitrary kernel memory on Intel CPUs. As a result, sensitive data such as passwords can be extracted. Intel processors released in the past few years, which includes its latest 12th-generation Alder Lake processors, are said to be affected.

Some ARM silicon is vulnerable to the exploit, although AMD CPUs seem to remain immune to potential BHI attacks.

https://fudzilla.com/news/54509-spec...-from-the-dead

14th March 2022, 07:08	#1
Stefan Mileschin [M] Reviewer Join Date: May 2010 Location: Romania Posts: 148,618	Spectre is back from the dead Harder to kill than Dracula The embarrassing defect in Intel CPUs Spectre appears to have made a comeback. It appears that someone has managed to gather a ring belonging to idiot that created the flaw, chanted over a grave at midnight and rebuilt the whole crisis again from the dust of its corpse. Security research group VUSec and Intel confirmed the existence of a new speculative execution vulnerability labeled branch history injection (BHI). Classified as a by-product of Spectre V2, BHI is a proof-of-concept exploit capable of leaking arbitrary kernel memory on Intel CPUs. As a result, sensitive data such as passwords can be extracted. Intel processors released in the past few years, which includes its latest 12th-generation Alder Lake processors, are said to be affected. Some ARM silicon is vulnerable to the exploit, although AMD CPUs seem to remain immune to potential BHI attacks. https://fudzilla.com/news/54509-spec...-from-the-dead

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