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All AMD Zen CPUs Vulnerable, Might Need to Disable SMT
Newly discovered side-channel attack recovers 4096-bit RSA key on AMD s Zen-based CPUs.
Daniel gruss
Graz university of technology
Scheduler queue usage
Interference probing
Graz university
Execution unit scheduler contention side channel
Beware: Apple M1 and many AMD Ryzen chips found vulnerable to side-channel SQUIP attacks
AMD Zen-based processors with Simultaneous Multi-threading (SMT) like Ryzen, Threadripper, EPYC, as well as Apple M1 CPUs have been found to be vulnerable to a new “SQUIP” side-channel attack.
Ryzen skus
Scheduler queue usage
Interference probing
AMD Processors Expose Sensitive Data to New SQUIP Attack
Researchers disclose the details of SQUIP, a side-channel attack targeting the scheduler queues of AMD CPUs.
Cpus daniel gruss
Lamarr security research
Georgia institute of technology
Graz university of technology
Graz university
Georgia institute
Scheduler queue usage
Interference probing
Side channel attack
Scheduler queue
Rsa key
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