CVE-2023-20569: Xen Security Advisory 434 v1 (CVE-2023-20569) - x86/AMD: Speculative Return Stack Overflow

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

— Launchpad

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled?address, potentially leading to information disclosure.

AMD: CVE-2023-20569 Return Address Predictor

— Microsoft

Multiple AMD CPUs could allow a local authenticated attacker to obtain sensitive information, caused by a side channel vulnerability. By sending a specially crafted request to influence the return address prediction, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

— IBM