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Memory cells keep information as electric charges.
These charges determine the value of the bits, which can either be a 0, or a 1.
By flipping specific bits, the attackers can pull cryptographic keys, or othersensitive data, BleepingComputer explained.
Purely theoretical?
This means that AMD has joinedIntelandARMCPUs who were already known to be vulnerable to hammering attacks.
The researchers tested their theory on different platforms.
For AMD Zen 2, they were successful 70% of the time.
For AMD Zen 3, 60%.
They simulated successful attacks targeting the systems security, and manipulating page table entries for unauthorized memory access.
Those fearing ZenHammer, its important to stress that these types of attacks are quite difficult to pull off.
Whats more, there are patches and mitigations.
Earlier this week, AMD released a security advisory with mitigation options.
