Information disclosure in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-20569
Published: August 8, 2023 / Updated: November 11, 2024
Vulnerability identifier: #VU79263
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20569
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: AMD
Affected software:
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
Detailed vulnerability description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a side channel issue in AMD CPUs. A remote user can influence the return address prediction and gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2023-20569
Install updates from vendor's website.