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Google says Rowhammer attacks are gaining range as RAM is getting smaller

A team of Google security researchers said they discovered a new way to perform Rowhammer attacks against computer memory (RAM) cards that broaden the attack's initial impact. ....

Target Row Refresh , இலக்கு வரிசை புதுப்பிப்பு ,

New Rowhammer Attack Variant Out


New Rowhammer Attack Variant Out
May 26, 2021 11:11 GMT  
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   Rowhammer Attacks
A Google team of security researchers demonstrated another form of the Rowhammer attack that circumvents all known safeguards to modify data stored in memory.  
The new Rowhammer approach, dubbed Half-Double, is based on weak coupling between two rows of memory that are not directly neighboring but are one row apart.
Researchers noted, Unlike TRRespass, which exploits the blind spots of manufacturer-dependent defenses, Half-Double is an intrinsic property of the underlying silicon substrate .
This is likely an indication that the electrical coupling responsible for Rowhammer is a property of distance, effectively becoming stronger and longer-ranged as cell geometries shrink down. Distances greater than two are conceivable . ....

Electron Device Engineering Council , Target Row Refresh , Joint Electron Device Engineering Council , எதிர் மின்னணு சாதனம் பொறியியல் சபை , இலக்கு வரிசை புதுப்பிப்பு , கூட்டு எதிர் மின்னணு சாதனம் பொறியியல் சபை ,