New Side-Channel Attacks Affecting Modern CPUs: Collide+, Power, Downfall

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New Side-Channel Attacks Affecting Modern CPUs: Collide+, Power, Downfall

Researchers have discovered a trio of new side-channel attacks that can be used to compromise modern CPUs.

The attacks, called Collide+Power, Downfall, and Inception, involve hijacking the transient control flow of return instructions on all AMD Zen CPUs.

They exploit a previously discovered security vulnerability affecting AMD’s Zen 2 architecture-based processors.

Google has also disclosed CVE-2023-20593, which allows an attacker to bypass the software-hardware boundary established in modern processors, according to the authors of the papers.

Intel provides more details on the specific vulnerabilities they’ve found.

Β΅More recently, security researchers have demonstrated how to use Zenbleed, a less vulnerable security vulnerability, to gain access to personal and cloud computing data.

#shorts #techshorts #technews #tech #technology #sensitive data #Downfall #attacker

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