vulnerability

Red Hat: CVE-2023-20569: hw amd: Return Address Predictor vulnerability leading to information disclosure (Multiple Advisories)

Name: Red Hat: CVE-2023-20569: hw amd: Return Address Predictor vulnerability leading to information disclosure (Multiple Advisories)
Creator: Red Hat
Published: 2023-08-08T00:00:00.000Z
Keywords: CVE, CWE-203, Red Hat, 2023, 20569, hw amd, redhat-upgrade-kernel, redhat-upgrade-kernel-rt, Severity 4

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Severity

CVSS

(AV:L/AC:M/Au:S/C:C/I:N/A:N)

Published

Aug 8, 2023

Added

Nov 8, 2023

Modified

Mar 27, 2026

Description

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.

Solutions

redhat-upgrade-kernelredhat-upgrade-kernel-rt

References

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

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