ALINUX2-SA-2023%3A0049

Package updates are available for Alibaba Cloud Linux 2.1903 that fix the following vulnerabilities: CVE-2023-20569: 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. CVE-2023-20593: An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.