CVE-2023-20569

A flaw in certain AMD processors allows attackers to manipulate how the CPU predicts where to return after function calls, causing it to speculatively execute code at attacker-chosen addresses and potentially leak sensitive information.

A side-channel vulnerability in AMD CPU branch prediction mechanisms enables an attacker to influence return address prediction without elevated privileges, inducing speculative execution at attacker-controlled addresses. This can lead to information disclosure through speculative execution side channels, particularly affecting processes running on the same physical core.