SB20230808110 - Multiple vulnerabilities in AMD Ryzen Master



SB20230808110 - Multiple vulnerabilities in AMD Ryzen Master

Published: August 8, 2023 Updated: January 9, 2026

Security Bulletin ID SB20230808110
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-20564)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the IOCTL (Input Output Control) input buffer. A local user can trigger memory corruption and execute arbitrary code on the target system.



2) Input validation error (CVE-ID: CVE-2023-20560)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the IOCTL (Input Output Control) input buffer. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.