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CVE-2023-20561

MEDIUM
5.5
CVSS Score
Published: August 8, 2023 at 05:14 PM UTC
Updated: June 17, 2026 at 05:30 AM UTC
2 products affected across 1 vendorUprofAMD Uprof· also runs on 2 platforms

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary address 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.

Uprof· AMD
95%
v < 4.1-424v < 4.1.396
Affected range stops below 4.1-424, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.396, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment) · microsoft-windows (environment)
AMD Uprof· AMD
60%
v < 4.1-424v < 4.1.396
Affected range stops below 4.1-424, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.396, so it looks safe — our inference, not a vendor statement

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 AdvisoryPatch
Source: [email protected]
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7003

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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