CVE-2023-20588
hw: amd: division-by-zero may resulting in loss of confidentiality
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 9, 2023
Updated · November 22, 2025
Description
A division-by-zero error was found in hw on some AMD processors. This flaw can potentially return speculative data, resulting in loss of confidentiality.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE-369 · Divide By Zero