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CVE-2023-20560

MEDIUM
4.4
CVSS Score
Published: August 15, 2023 at 09:08 PM UTC
Updated: June 17, 2026 at 05:30 AM UTC
3 products affected across 1 vendorRyzen™ MasterRyzen Master Monitoring SDKRyzen Master Utility for Overclocking Control· also runs on 2 platforms

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may allow a privileged attacker to provide a null value potentially resulting in a Windows crash leading to denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ryzen™ Master· AMD
95%
v < 2.11.2.2659
Affected range stops below 2.11.2.2659, so it looks safe — our inference, not a vendor statement
Ryzen Master Monitoring SDK· AMD
95%
v < august_2023
Affected range stops below august_2023, so it looks safe — our inference, not a vendor statement
microsoft-windows-10 (environment) · microsoft-windows-11 (environment)
Ryzen Master Utility for Overclocking Control· AMD
80%
v < 2.11.2.2659
Affected range stops below 2.11.2.2659, so it looks safe — our inference, not a vendor statement
microsoft-windows-10 (environment) · microsoft-windows-11 (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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