What is CVE-2023-20564?

CVE-2023-20564 is a medium-severity vulnerability in AMD Ryzen Master, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-08-15.

How severe is CVE-2023-20564?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2023-20564 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in AMD Ryzen Master

CVE-2023-20564

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

NtGabrielGomes/CVE-2023-20564

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20564?: CVE-2023-20564 is a medium-severity vulnerability in AMD Ryzen Master, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-08-15.
How severe is CVE-2023-20564?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2023-20564 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.